Quelle p4g.g
Sprache: unbekannt
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Spracherkennung für: .g vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
#p4g (p4gm)
# http://en.wikipedia.org/wiki/Wallpaper_group#Group_p4g
M := [ [ 1, 2, 3], [ 1, 2, 4], [ 1, 3, 4], [ 2, 3, 6], [ 2, 4, 7], [ 2, 5, 6], [ 2, 5, 7], [ 3, 4, 7], [ 3, 6, 7] ];
C4 := Group( ( 1, 2, 3, 4) );
C2 := Group( ( 1, 2)( 3, 4) );
V4 := Group( ( 1, 2)( 3, 4), ( 1, 4)( 2, 3) );
iso := rec( 1 := C4, 5 := V4, 6 := C2, 7 := C2 );
mu := [
[ [ 2], [ 1, 2], [ 1, 2, 3], [ 1, 2, 4], x -> ( 1, 2, 3, 4) * x ],
[ [ 2], [ 1, 2], [ 1, 2, 4], [ 1, 2, 3], x -> ( 1, 4, 3, 2) * x ],
];
dim := 3;
# 1: 9 x 72 matrix with rank 8 and kernel dimension 1. Time: 0. 000 sec.
# 2: 72 x 251 matrix with rank 61 and kernel dimension 11. Time: 0. 004 sec.
# 3: 251 x 858 matrix with rank 185 and kernel dimension 66. Time: 0. 032 sec.
# 4: 858 x 3232 matrix with rank 667 and kernel dimension 191. Time: 0. 244 sec.
# 5: 3232 x 12390 matrix with rank 2558 and kernel dimension 674. Time: 3. 960 sec.
# 6: 12390 x 46985 matrix with rank 9824 and kernel dimension 2566. Time: 63. 864 sec.
# 7: 46985 x 175061 matrix with rank 37152 and kernel dimension 9833. Time: 950. 632 sec.
# Cohomology dimension at degree 0: GF( 2)^( 1 x 1)
# Cohomology dimension at degree 1: GF( 2)^( 1 x 3)
# Cohomology dimension at degree 2: GF( 2)^( 1 x 5)
# Cohomology dimension at degree 3: GF( 2)^( 1 x 6)
# Cohomology dimension at degree 4: GF( 2)^( 1 x 7)
# Cohomology dimension at degree 5: GF( 2)^( 1 x 8)
# Cohomology dimension at degree 6: GF( 2)^( 1 x 9)
#------>>>> Z/ 4Z^( 1 x 1)
#------>>>> Z/ 4Z/< 2 > ^ 2 + Z/ 4Z^( 1 x 1)
#------>>>> Z/ 4Z/< 2 > ^ 4 + Z/ 4Z^( 1 x 1)
#------>>>> Z/ 4Z/< 2 > ^ 5 + Z/ 4Z^( 1 x 1)
#------>>>> Z/ 4Z/< 2 > ^ 6 + Z/ 4Z^( 1 x 1)
#------------------------------------------------------------------------------- ---------------
#matrix sizes:
# [ 9, 106, 763, 6444, 60208 ]
#factors:
# [ 11.7778, 7.19811, 8.44561, 9.34327 ]
#cohomology over Z:
#------------------->>>> Z^(1 x 1)
#------------------->>>> 0
#------------------->>>> Z/< 2 > + Z/< 2 > + Z/< 4 >
#cohomology over Z/2Z:
# 1: 9 x 106 matrix with rank 8 and kernel dimension 1. Time: 0.000 sec.
# 2: 106 x 763 matrix with rank 95 and kernel dimension 11. Time: 0.004 sec.
# 3: 763 x 6444 matrix with rank 663 and kernel dimension 100. Time: 0.220 sec.
# 4: 6444 x 60208 matrix with rank 5775 and kernel dimension 669. Time: 17.505 sec.
# 5: 60208 x 593368 matrix with rank 54426 and kernel dimension 5782. Time: 1475.572 sec.
# Cohomology dimension at degree 0: GF(2)^(1 x 1)
# Cohomology dimension at degree 1: GF(2)^(1 x 3)
# Cohomology dimension at degree 2: GF(2)^(1 x 5)
# Cohomology dimension at degree 3: GF(2)^(1 x 6)
# Cohomology dimension at degree 4: GF(2)^(1 x 7)
#cohomology over Z/4Z:
#------------------->>>> Z/4Z^(1 x 1)
#------------------->>>> Z/4Z/< ZmodnZObj(2,4) >^(1 x 2) + Z/4Z^(1 x 1)
#------------------->>>> Z/4Z/< ZmodnZObj(2,4) >^(1 x 4) + Z/4Z^(1 x 1)
#------------------->>>> Z/4Z/< ZmodnZObj(2,4) >^(1 x 5) + Z/4Z^(1 x 1)
[Dauer der Verarbeitung: 0.15 Sekunden, vorverarbeitet 2026-06-18]
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2026-07-27
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