represent a group by generators and relations
set of names taken to be the generators of the group
set of relations among the generators which define the group
Important: The grelgroup command has been deprecated. Use the superseding command GroupTheory[Group] instead.
The function grelgroup is used as a procedure and an unevaluated procedure call. As a procedure, grelgroup checks its arguments and then either exits with an error or returns the unevaluated grelgroup call.
The first argument is a set of Maple names which stand for the generators of the group. The second argument is a set of ``words'' in the generators. A ``word'' is a list of generators and/or inverses of generators representing a product. The inverse of a generator g is represented by 1g. An empty list represents the identity element. The words w1, w2, ..., wn in rels are such that the relations w1=w2=...=wn=1 define the group.
the following will give an error:
Error, (in grelgroup) relator [a, 1/c, a] contains something (1/c) not a generator or its inverse
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