[GAP Forum] finding automorphisms of finitely presented groups
bob.heffernan at gmail.com
Wed Mar 15 17:26:45 GMT 2006
I am dealing with groups constructed in this manner:
where rels is some list of relations in terms of x,y and z.
If the group is large GAP seems to have trouble constructing the groupof automorphisms of G.
I understand that doing this:G:=Image(IsomorphismPermGroup(G));would give me a representation of the group that GAP can deal witheasily (and easily compute Aut G, etc.), but I want to look at theautomorphisms in terms of the generators x,y and z above.
Specifially, I am trying to find all the automorphisms G->G of a given order.
Is there an efficient way to do this?
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