| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/GAP/pkg/hap/tutorial/tutex/ (Algebra von RWTH Aachen Version 4.15.1©) Datei vom 19.6.2025 mit Größe 671 B |
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Quelle 5.8.txt Sprache: Text |
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gap> H := SmallGroup(64,134);;
gap> N := NormalSubgroups(H)[15];; gap> ON := GOuterGroup(H,N);; gap> A := Centre(ON);; gap> G:=ActingGroup(A);; gap> R:=ResolutionFiniteGroup(G,3);; gap> C:=HomToGModule(R,A);; gap> CH:=CohomologyModule(C,2);; gap> Elts:=Elements(ActedGroup(CH));; gap> lst := List(Elts{[1..Length(Elts)]},x->CH!.representativeCocycle(x));; gap> ccgrps := List(lst, x->CcGroup(ON, x));; gap> #So ccgrps is a list of groups, each being an extension of G by N, corresponding gap> #to the two elements in H^2(G,A). gap> #The following command produces the GAP identification number for each group. gap> L:=List(ccgrps,IdGroup); [ [ 64, 134 ], [ 64, 135 ] ] ¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28