gap> G:=MathieuGroup(23);;
gap> Factors(Order(G));
[ 2, 2, 2, 2, 2, 2, 2, 3, 3, 5, 7, 11, 23 ]
gap> sd:=StructureDescription;;
gap> D:=HomologicalGroupDecomposition(G,5);;
gap> List(D[1],sd);List(D[2],sd);
[ "C15 : C4" ]
[ ]
gap> IsPeriodic(D[1][1]);
true
gap> CohomologicalPeriod(D[1][1]);
8
gap> D:=HomologicalGroupDecomposition(G,7);;
gap> List(D[1],sd);List(D[2],sd);
[ "C2 x (C7 : C3)" ]
[ ]
gap> IsPeriodic(D[1][1]);
true
gap> CohomologicalPeriod(D[1][1]);
6
gap> D:=HomologicalGroupDecomposition(G,11);;
gap> List(D[1],sd);List(D[2],sd);
[ "C11 : C5" ]
[ ]
gap> IsPeriodic(D[1][1]);
true
gap> CohomologicalPeriod(D[1][1]);
10
gap> D:=HomologicalGroupDecomposition(G,23);;
gap> List(D[1],sd);List(D[2],sd);
[ "C23 : C11" ]
[ ]
gap> IsPeriodic(D[1][1]);
true
gap> CohomologicalPeriod(D[1][1]);
22
¤ Dauer der Verarbeitung: 0.6 Sekunden
(vorverarbeitet am 2026-05-20)
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