Quelle res.tst
Sprache: unbekannt
|
|
############################################################################
##
#W res.gi The LPRES-package René Hartung
##
gap> START_TEST("Checking some self-similar groups");
gap> IL:=InfoLevel(InfoLPRES);;
gap> SetInfoLevel(InfoLPRES,1);
gap> G:=ExamplesOfLPresentations(1);
#I The Grigorchuk group on 4 generators from [Lys85]
<invariant LpGroup of size infinity on the generators [ a, b, c, d ]>
gap> H:=NilpotentQuotient(G,20);;
#I Class 1: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 2: 2 generators with relative orders: [ 2, 2 ]
#I Class 3: 2 generators with relative orders: [ 2, 2 ]
#I Class 4: 1 generators with relative orders: [ 2 ]
#I Class 5: 2 generators with relative orders: [ 2, 2 ]
#I Class 6: 2 generators with relative orders: [ 2, 2 ]
#I Class 7: 1 generators with relative orders: [ 2 ]
#I Class 8: 1 generators with relative orders: [ 2 ]
#I Class 9: 2 generators with relative orders: [ 2, 2 ]
#I Class 10: 2 generators with relative orders: [ 2, 2 ]
#I Class 11: 2 generators with relative orders: [ 2, 2 ]
#I Class 12: 2 generators with relative orders: [ 2, 2 ]
#I Class 13: 1 generators with relative orders: [ 2 ]
#I Class 14: 1 generators with relative orders: [ 2 ]
#I Class 15: 1 generators with relative orders: [ 2 ]
#I Class 16: 1 generators with relative orders: [ 2 ]
#I Class 17: 2 generators with relative orders: [ 2, 2 ]
#I Class 18: 2 generators with relative orders: [ 2, 2 ]
#I Class 19: 2 generators with relative orders: [ 2, 2 ]
#I Class 20: 2 generators with relative orders: [ 2, 2 ]
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> RankPGroup(lcs[i]/lcs[i+1]) );
[ 3, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2 ]
gap> G:= ExamplesOfLPresentations(3);
#I The lamplighter group on two lamp states
<LpGroup of size infinity on the generators [ a, t, u ]>
gap> H:=NilpotentQuotient(G,7);;
#I Class InvLpGroup 1: 3 generators with relative orders: [ 2, 0, 0 ]
#I Class InvLpGroup 2: 2 generators with relative orders: [ 2, 0 ]
#I Class InvLpGroup 3: 4 generators with relative orders: [ 2, 2, 0, 0 ]
#I Class InvLpGroup 4: 6 generators with relative orders: [ 2, 2, 2, 0, 0, 0
]
#I Class InvLpGroup 5: 11 generators
#I Class InvLpGroup 6: 16 generators
#I Class InvLpGroup 7: 29 generators
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> AbelianInvariants( lcs[i]/lcs[i+1] ) );
[ [ 0, 2 ], [ 2 ], [ 2 ], [ 2 ], [ 2 ], [ 2 ], [ 2 ] ]
gap> G:=ExamplesOfLPresentations(4);
#I The Brunner-Sidki-Vieira group
<invariant LpGroup of size infinity on the generators [ a, b ]>
gap> H:=NilpotentQuotient(G,15);;
#I Class 1: 2 generators with relative orders: [ 0, 0 ]
#I Class 2: 1 generators with relative orders: [ 0 ]
#I Class 3: 1 generators with relative orders: [ 8 ]
#I Class 4: 1 generators with relative orders: [ 8 ]
#I Class 5: 2 generators with relative orders: [ 4, 8 ]
#I Class 6: 2 generators with relative orders: [ 2, 8 ]
#I Class 7: 3 generators with relative orders: [ 2, 2, 8 ]
#I Class 8: 3 generators with relative orders: [ 2, 2, 8 ]
#I Class 9: 4 generators with relative orders: [ 4, 2, 2, 8 ]
#I Class 10: 4 generators with relative orders: [ 4, 2, 2, 8 ]
#I Class 11: 4 generators with relative orders: [ 2, 2, 2, 8 ]
#I Class 12: 4 generators with relative orders: [ 2, 2, 2, 8 ]
#I Class 13: 5 generators with relative orders: [ 2, 2, 2, 2, 8 ]
#I Class 14: 5 generators with relative orders: [ 2, 2, 2, 2, 8 ]
#I Class 15: 5 generators with relative orders: [ 2, 2, 2, 2, 8 ]
gap> H:=NilpotentQuotient(G,15);;
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> AbelianInvariants( lcs[i]/lcs[i+1] ) );
[ [ 0, 0 ], [ 0 ], [ 8 ], [ 8 ], [ 4, 8 ], [ 2, 8 ], [ 2, 2, 8 ],
[ 2, 2, 8 ], [ 2, 2, 4, 8 ], [ 2, 2, 4, 8 ], [ 2, 2, 2, 8 ],
[ 2, 2, 2, 8 ], [ 2, 2, 2, 2, 8 ], [ 2, 2, 2, 2, 8 ], [ 2, 2, 2, 2, 8 ] ]
gap> G:=ExamplesOfLPresentations(5);
#I The Grigorchuk supergroup
<invariant LpGroup of size infinity on the generators [ a, b, c, d ]>
gap> H:=NilpotentQuotient(G,15);;
#I Class 1: 4 generators with relative orders: [ 2, 2, 2, 2 ]
#I Class 2: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 3: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 4: 2 generators with relative orders: [ 2, 2 ]
#I Class 5: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 6: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 7: 2 generators with relative orders: [ 2, 2 ]
#I Class 8: 2 generators with relative orders: [ 2, 2 ]
#I Class 9: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 10: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 11: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 12: 3 generators with relative orders: [ 2, 2, 2 ]
#I Class 13: 2 generators with relative orders: [ 2, 2 ]
#I Class 14: 2 generators with relative orders: [ 2, 2 ]
#I Class 15: 2 generators with relative orders: [ 2, 2 ]
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> RankPGroup( lcs[i]/lcs[i+1] ) );
[ 4, 3, 3, 2, 3, 3, 2, 2, 3, 3, 3, 3, 2, 2, 2 ]
gap> G:=ExamplesOfLPresentations( 6 );
#I The Fabrykowski-Gupta group
<invariant LpGroup of size infinity on the generators [ a, r ]>
gap> H:=NilpotentQuotient(G,20);;
#I Class 1: 2 generators with relative orders: [ 3, 3 ]
#I Class 2: 1 generators with relative orders: [ 3 ]
#I Class 3: 2 generators with relative orders: [ 3, 3 ]
#I Class 4: 1 generators with relative orders: [ 3 ]
#I Class 5: 2 generators with relative orders: [ 3, 3 ]
#I Class 6: 2 generators with relative orders: [ 3, 3 ]
#I Class 7: 2 generators with relative orders: [ 3, 3 ]
#I Class 8: 1 generators with relative orders: [ 3 ]
#I Class 9: 1 generators with relative orders: [ 3 ]
#I Class 10: 1 generators with relative orders: [ 3 ]
#I Class 11: 2 generators with relative orders: [ 3, 3 ]
#I Class 12: 2 generators with relative orders: [ 3, 3 ]
#I Class 13: 2 generators with relative orders: [ 3, 3 ]
#I Class 14: 2 generators with relative orders: [ 3, 3 ]
#I Class 15: 2 generators with relative orders: [ 3, 3 ]
#I Class 16: 2 generators with relative orders: [ 3, 3 ]
#I Class 17: 2 generators with relative orders: [ 3, 3 ]
#I Class 18: 2 generators with relative orders: [ 3, 3 ]
#I Class 19: 2 generators with relative orders: [ 3, 3 ]
#I Class 20: 1 generators with relative orders: [ 3 ]
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> RankPGroup( lcs[i]/lcs[i+1] ) );
[ 2, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1 ]
gap> G:=ExamplesOfLPresentations( 7 );
#I The Gupta-Sidki group
<LpGroup of size infinity on the generators [ a, t, u, v ]>
gap> H:=NilpotentQuotient(G,4);;
#I Class InvLpGroup 1: 4 generators with relative orders: [ 3, 3, 3, 3 ]
#I Class InvLpGroup 2: 6 generators with relative orders: [ 3, 3, 3, 3, 3, 3
]
#I Class InvLpGroup 3: 18 generators
#I Class InvLpGroup 4: 42 generators
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> RankPGroup( lcs[i]/lcs[i+1] ) );
[ 2, 1, 2, 1 ]
gap> G:=ExamplesOfLPresentations( 8 );
#I An index-3 subgroup of the Gupta-Sidki group
<invariant LpGroup of size infinity on the generators [ t, u, v ]>
gap> H:=NilpotentQuotient(G,10);;
#I Class 1: 3 generators with relative orders: [ 3, 3, 3 ]
#I Class 2: 3 generators with relative orders: [ 3, 3, 3 ]
#I Class 3: 6 generators with relative orders: [ 3, 3, 3, 3, 3, 3 ]
#I Class 4: 3 generators with relative orders: [ 3, 3, 3 ]
#I Class 5: 6 generators with relative orders: [ 3, 3, 3, 3, 3, 3 ]
#I Class 6: 6 generators with relative orders: [ 3, 3, 3, 3, 3, 3 ]
#I Class 7: 6 generators with relative orders: [ 3, 3, 3, 3, 3, 3 ]
#I Class 8: 6 generators with relative orders: [ 3, 3, 3, 3, 3, 3 ]
#I Class 9: 3 generators with relative orders: [ 3, 3, 3 ]
#I Class 10: 6 generators with relative orders: [ 3, 3, 3, 3, 3, 3 ]
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> RankPGroup( lcs[i]/lcs[i+1] ) );
[ 3, 3, 6, 3, 6, 6, 6, 6, 3, 6 ]
gap> G:=ExamplesOfLPresentations( 9 );
#I The Basilica group
<invariant LpGroup of size infinity on the generators [ a, b ]>
gap> H:=NilpotentQuotient(G,15);;
#I Class 1: 2 generators with relative orders: [ 0, 0 ]
#I Class 2: 1 generators with relative orders: [ 0 ]
#I Class 3: 1 generators with relative orders: [ 4 ]
#I Class 4: 1 generators with relative orders: [ 4 ]
#I Class 5: 2 generators with relative orders: [ 4, 4 ]
#I Class 6: 2 generators with relative orders: [ 2, 4 ]
#I Class 7: 3 generators with relative orders: [ 2, 2, 4 ]
#I Class 8: 3 generators with relative orders: [ 2, 2, 4 ]
#I Class 9: 4 generators with relative orders: [ 2, 2, 2, 4 ]
#I Class 10: 5 generators with relative orders: [ 2, 2, 2, 2, 4 ]
#I Class 11: 5 generators with relative orders: [ 2, 2, 2, 2, 4 ]
#I Class 12: 4 generators with relative orders: [ 2, 2, 2, 4 ]
#I Class 13: 5 generators with relative orders: [ 2, 2, 2, 2, 4 ]
#I Class 14: 5 generators with relative orders: [ 2, 2, 2, 2, 4 ]
#I Class 15: 5 generators with relative orders: [ 2, 2, 2, 2, 4 ]
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> AbelianInvariants( lcs[i]/lcs[i+1] ));
[ [ 0, 0 ], [ 0 ], [ 4 ], [ 4 ], [ 4, 4 ], [ 2, 4 ], [ 2, 2, 4 ],
[ 2, 2, 4 ], [ 2, 2, 2, 4 ], [ 2, 2, 2, 2, 4 ], [ 2, 2, 2, 2, 4 ],
[ 2, 2, 2, 4 ], [ 2, 2, 2, 2, 4 ], [ 2, 2, 2, 2, 4 ], [ 2, 2, 2, 2, 4 ] ]
gap> G:=ExamplesOfLPresentations( 10 );
#I Baumslag's group
<non-invariant LpGroup of size infinity on the generators [ a, b, t, u ]>
gap> H:=NilpotentQuotient(G,6);;
#I Class InvLpGroup 1: 3 generators with relative orders: [ 3, 0, 0 ]
#I Class InvLpGroup 2: 2 generators with relative orders: [ 3, 0 ]
#I Class InvLpGroup 3: 3 generators with relative orders: [ 3, 0, 0 ]
#I Class InvLpGroup 4: 4 generators with relative orders: [ 3, 0, 0, 0 ]
#I Class InvLpGroup 5: 7 generators with relative orders:
[ 3, 0, 0, 0, 0, 0, 0 ]
#I Class InvLpGroup 6: 10 generators with relative orders:
[ 3, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> AbelianInvariants( lcs[i]/lcs[i+1] ));
[ [ 0, 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ] ]
gap> G:=ExamplesOfLPresentations( 10 );
#I Baumslag's group
<non-invariant LpGroup of size infinity on the generators [ a, b, t, u ]>
gap> ResetFilterObj( G, IsInvariantLPresentation );
gap> SetIsInvariantLPresentation(G,true);
gap> H:=NilpotentQuotient(G,20);;
#I Class 1: 2 generators with relative orders: [ 3, 0 ]
#I Class 2: 1 generators with relative orders: [ 3 ]
#I Class 3: 1 generators with relative orders: [ 3 ]
#I Class 4: 1 generators with relative orders: [ 3 ]
#I Class 5: 1 generators with relative orders: [ 3 ]
#I Class 6: 1 generators with relative orders: [ 3 ]
#I Class 7: 1 generators with relative orders: [ 3 ]
#I Class 8: 1 generators with relative orders: [ 3 ]
#I Class 9: 1 generators with relative orders: [ 3 ]
#I Class 10: 1 generators with relative orders: [ 3 ]
#I Class 11: 1 generators with relative orders: [ 3 ]
#I Class 12: 1 generators with relative orders: [ 3 ]
#I Class 13: 1 generators with relative orders: [ 3 ]
#I Class 14: 1 generators with relative orders: [ 3 ]
#I Class 15: 1 generators with relative orders: [ 3 ]
#I Class 16: 1 generators with relative orders: [ 3 ]
#I Class 17: 1 generators with relative orders: [ 3 ]
#I Class 18: 1 generators with relative orders: [ 3 ]
#I Class 19: 1 generators with relative orders: [ 3 ]
#I Class 20: 1 generators with relative orders: [ 3 ]
gap> lcs:=LowerCentralSeriesOfGroup(H);;
gap> List([1..Length(lcs)-1], i -> AbelianInvariants( lcs[i]/lcs[i+1] ));
[ [ 0, 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ],
[ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ], [ 3 ] ]
# reset the info level InfoLPRES
gap> SetInfoLevel(InfoLPRES,IL);
gap> STOP_TEST( "res.tst", 100000 );
[ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet)
]
|
2026-04-02
|