[GAP Forum] Defining a group structure on a set

[Timm von Puttkamer]

Dear forum members,

I have given a certain list of elements in GAP and I would like to define a group structure on this set of elements (so that I can use GAP to compute e.g. the center). As far as I see this should be possible using domains in GAP. However, I was not able to find out how to actually define the neutral element, inversion and multiplication.

Best,
Timm