[GAP Forum] A question

[Benjamin Sambale]

try this:

LoadPackage("sonata");
I:=G; #G is a group
for H in Subgroups(G) do
     I:=Intersection(I,Normalizer(G,DerivedSubgroup(H)));
od;
#now I is the intersection you want

best wishes,
Benjamin

Am 07.11.2010 08:13, schrieb 刘建军:
> Dear forum,
>
> Let $G$ be a finite group. I would like to know that the intersection of the normalizers of derived subgroups of all subgroups of $G$.
> Is there a method to get it in GAP?
>
> Best Wishes
> Jianjun Liu
>
> _______________________________________________
> Forum mailing list
> Forum at mail.gap-system.org
> http://mail.gap-system.org/mailman/listinfo/forum
>