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Dear Gap users:

I wish to find the normalizer of a subset T of a group G,

where T need not be a subgroup. For example, say

G:= Group(a,b,c,d); # a,b,c,d permutations,say

T:= [a,d]; # a subset of the generating set # -- perhaps not quite a legitimate # data structure, # but you get the idea Note that T is not the subgroup generated by a,d . Nevertheless, I want

N:= Normalizer in G of T

How do I proceed? My apologies if I have missed something obvious

in the documentation. Thanks for your advice.

Barry Monson.

(bmonson@unb.ca)

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