Generalised triangle groups of type (3,3,2)
arXiv:1012.2763
Abstract
If G is a group with a presentation of the form < x,y|x^3=y^3=W(x,y)^2=1 >, then either G is virtually soluble or G contains a free subgroup of rank 2. This provides additional evidence in favour of a conjecture of Rosenberger.
19 pages, 4 figures, 2 tables, GAP code listing attached