Dear Forum, > On Mar 2, 2015, at 3/2/15 3:35, Anvita <anvit...@gmail.com> wrote:
> Suppose G is a matrix group. What would be > an efficient way to find the subgroup of G that > consists of scalar matrices? I have not found > a suitable function in GAP. Of course, it is > a subgroup of the centre of G, but it can be > much smaller than that. In the cases I have worked with, getting the centre, and then if necessary testing membership of scalar matrices (i.e. subgroups of F*) in the centre would have worked without problems. What dimension, what fields are you looking at? Regards, Alexander Hulpke _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
