58.1 AutGroupSagGroup

AutGroupSagGroup(G)
AutGroupSagGroup(G, l)

Given a sag G, the function AutGroupSagGroup computes the aut group of G. It returns a group generated by aut group elements (see Automorphism Group Elements). The order of the resulting aut group can be obtained by applying the function Size to it.

If the optional argument l is supplied, the aut group of G/G_l is computed, where G_l is the l-th term of the LG-series of G (see More about Special Ag Groups).

inputOut.AutGroup

skip

The size of the outer aut group is easily computed as follows.

inputOut.Sizes

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GAP 3.4.4
April 1997