On Thu, September 11, 2014 6:22 pm, hadi Hooshmand wrote: > Dear All, > > Let $G$ be a group of order 192 and $d$ a positive divisor of it . Is it > true > that there exists a subgroup of $G$ with order or index $d$? > > Is there any GAP code to check the question by an ordinary computer? > Does anyone know the answer?
Just enter gap> check := n->ForAll(AllGroups(n), > G->ForAll(DivisorsInt(n), > d->Intersection([d,n/d], > > List(ConjugacyClassesSubgroups(G), > > cl->Size(Representative(cl))))<>[]));; gap> check(192); and have some patience. Hope this helps, Stefan Kohl ----------------------------------------------------------------------------- http://www.gap-system.org/DevelopersPages/StefanKohl/ ----------------------------------------------------------------------------- _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum