[GAP Forum] Forum Digest, Vol 199, Issue 10

[Bill Allombert]

On Tue, Jul 28, 2020 at 10:48:11PM +0500, Fawad Hayat wrote:
> Thank you Sir, for your kind response. Actually, we have a definition of
> the power graph of a group G,   “Two elements x, y of G being adjacent iff
> one element is a power of the other, i.e., x^n=y or y^n=x.” So I would like
> to find all those elements which satisfy this condition. In The following
> program I need the set M and MM which I defined. If the following program
> have some problems please correct that for me, I’ll be very grateful to
> you.

I would replace the condition x^n=y or y^n=x  by
(x in <y>) or (y in <x>), that is:

(x in Subgroup(G,y)) or (y in Subgroup(G,x))

Cheers,
Bill.