2gp-Rel

#Example: "2gp-Rel" . . . based on: examples/2gp
#Construction of largest quotient of class 6 of a 2-group
#vars: F, procId, rels;
#options: OutputLevel 
F := FreeGroup("a", "b");
rels := [ "[b, a, a]", "(a * b * a)^4"];
#alt: do
#procId := PqStart( F );
#comment: set a different print level by supplying <OutputLevel>
#alt: sub <procId> for <F>
Pq( F : Prime := 2, ClassBound := 6, Relators := rels, 
#sub <OutputLevel> for <1> if set and ok
        OutputLevel := 1 );