Dear Forum, On Jan 29, 2014, at 1/29/14 8:27, Benjamin Sambale <benjamin.samb...@gmail.com> wrote:
> Dear GAP users, > > I'm using GAP 4.7.2 and just ran into the following strange behavior: > > G:=AbelianGroup([4,4,4]);; > A:=AutomorphismGroup(G);; > x:=First(A,a->Order(a)<>Size(Group(a))); > [ f1*f2*f3, f5, f1*f2*f6 ] -> [ f1, f1*f2*f4*f5*f6, f2*f3*f6 ] Thank you for the report. This is a small oversight in the new method for element order for automorphisms. It only arises if an automorphism phi has a power phi^n that will be given on a longer generating set. (Automorphisms of abelian groups are the prime case of this I think.) This will be corrected in the next release. Regards, Alexander Hulpke _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
