Dear Nick,
here is a quick answer: You might want to look at the
ATLAS of Finite Group Representations
http://brauer.maths.qmul.ac.uk/Atlas/v3/
I have not checked which information (e.g. presentations,
representations) are given there for the groups you are
interested in, but they are smallish anyway...
Best wishes, Jürgen (Müller)
Zitat von Nicholas Gill <nicholas.g...@southwales.ac.uk>:
Hi GAP-folk,
I would like to construct a bunch of bicyclic extensions of some
finite simple groups. Here "bicyclic" is in the sense of the ATLAS.
I'm thinking of things like
3.A6.2, 6.A6.2, 12.A6.2, (2x2).Sz(8).3
I realise the definition of these things is a little icky. In fact I
only need an example of each such group up to isoclinism - this is
what the ATLAS provides and that's good enough for me... But to
start any example of such a group would be handy.
I've tried a bunch of things to get my hands on these groups, but
failed. In most cases a presentation is not known (I think), so I'm
a little stuck. Any suggestions?
Apologies in advance if this is a dumb question - my GAP knowledge
continues to hover around pathetic / embarrassing.
Nick :)
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