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Quelle pmm.g
Sprache: unbekannt
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Spracherkennung für: .g vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
# pmm (p2mm)
# http://en.wikipedia.org/wiki/Wallpaper_group#Group_pmm
M := [ [ 1, 2, 5], [ 1, 4, 5], [ 2, 3, 5], [ 3, 5, 6], [ 4, 5, 7], [ 5, 6, 9], [ 5, 7, 8], [ 5, 8, 9] ];
G1 := Group( ( 1, 2) );
G2 := Group( ( 3, 4) );
V := Group( ( 1, 2), ( 3, 4) );
iso := rec( 1 := V, 2 := G1, 3 := V, 4 := G2, 6 := G2, 7 := V, 8 := G1, 9 := V );
mu := [];
dim := 3;
# 1: 8 x 68 matrix with rank 7 and kernel dimension 1. Time: 0. 000 sec.
# 2: 68 x 240 matrix with rank 57 and kernel dimension 11. Time: 0. 000 sec.
# 3: 240 x 742 matrix with rank 175 and kernel dimension 65. Time: 0. 040 sec.
# 4: 742 x 2464 matrix with rank 555 and kernel dimension 187. Time: 0. 156 sec.
# 5: 2464 x 8492 matrix with rank 1893 and kernel dimension 571. Time: 1. 900 sec.
# 6: 8492 x 29216 matrix with rank 6579 and kernel dimension 1913. Time: 23. 461 sec.
# 7: 29216 x 99201 matrix with rank 22613 and kernel dimension 6603. Time: 282. 986 sec.
# 8: 99201 x 332488 matrix with rank 76560 and kernel dimension 22641. Time: 3207. 540 sec.
# Cohomology dimension at degree 0: GF( 2)^( 1 x 1)
# Cohomology dimension at degree 1: GF( 2)^( 1 x 4)
# Cohomology dimension at degree 2: GF( 2)^( 1 x 8)
# Cohomology dimension at degree 3: GF( 2)^( 1 x 12)
# Cohomology dimension at degree 4: GF( 2)^( 1 x 16)
# Cohomology dimension at degree 5: GF( 2)^( 1 x 20)
# Cohomology dimension at degree 6: GF( 2)^( 1 x 24)
# Cohomology dimension at degree 7: GF( 2)^( 1 x 28)
#------------------------------------------------------------------------------- -----------------
#matrix sizes:
# [ 8, 92, 512, 3022, 19904 ]
#factors:
# [ 11.5, 5.56522, 5.90234, 6.58637 ]
#cohomology over Z:
#----------------------------------------------->>>> Z^(1 x 1)
#----------------------------------------------->>>> 0
#----------------------------------------------->>>> Z/< 2 > + Z/< 2 > + Z/< 2 > + Z/< 2 >
#cohomology over GF(2):
# 1: 8 x 92 matrix with rank 7 and kernel dimension 1. Time: 0.000 sec.
# 2: 92 x 512 matrix with rank 81 and kernel dimension 11. Time: 0.004 sec.
# 3: 512 x 3022 matrix with rank 423 and kernel dimension 89. Time: 0.120 sec.
# 4: 3022 x 19904 matrix with rank 2587 and kernel dimension 435. Time: 3.909 sec.
# 5: 19904 x 136420 matrix with rank 17301 and kernel dimension 2603. Time: 181.059 sec.
# 6: 136420 x 947024 matrix with rank 119099 and kernel dimension 17321. Time: 6916.352 sec.
# Cohomology dimension at degree 0: GF(2)^(1 x 1)
# Cohomology dimension at degree 1: GF(2)^(1 x 4)
# Cohomology dimension at degree 2: GF(2)^(1 x 8)
# Cohomology dimension at degree 3: GF(2)^(1 x 12)
# Cohomology dimension at degree 4: GF(2)^(1 x 16)
# Cohomology dimension at degree 5: GF(2)^(1 x 20)
#cohomology over Z/4Z:
#----------------------------------------------->>>> Z/4Z^(1 x 1)
#----------------------------------------------->>>> Z/4Z/< ZmodnZObj(2,4) >^(1 x 4)
#----------------------------------------------->>>> Z/4Z/< ZmodnZObj(2,4) >^(1 x 8)
#----------------------------------------------->>>> Z/4Z/< ZmodnZObj(2,4) >^(1 x 12)
#Z
#0
# 4
# 4
# 8
# 8
#
[Dauer der Verarbeitung: 0.17 Sekunden, vorverarbeitet 2026-06-18]
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2026-07-27
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