Dear GAP-Forum

I was trying to turn the following group into a permutation group:

gap> f := FreeGroup(4);;
gap> r := [ f.1^2, f.2^2, 
               .
               .
    {many of such lines}
               .
               .
        f.4^-1*f.3^-1*f.4*f.3*f.4^-1*f.3^-1*f.4^-1*f.3*f.4^2 ];;

gap> g := f/r;;

gap> Size(g);
1024

gap> PermGroup(g);
Error, List Element: <list>[1025] must have a value at
prm[i] := pos[PositionSorted( set, opr( D[i], gen ) )] ... in
arg[1].operations.Operation( arg[1], arg[2], arg[3] ) called from
Operation( G, Elements( G ), OnRight ) called from
G.operations.PermGroup( G ) called from
PermGroup( g ) called from
main loop
brk>

WHY DOES THIS HAPPEN ?

-- 
+----------------------------------------------------------------+
|Juergen Ecker - Institut fuer Mathematik - Univ. Linz - Austria |
|              - e-mail juergen@bruckner.stoch.uni-linz.ac.at    |
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