My subgroups code represents a first effort to introduce some of the further structure of group theory into the system. It is transitional code and does not represent the way that subgroups are handled in Groups32. It was, however, very useful, providing a way to test later code as it was being developed. It displays the subgroup generated by a collection of elements. In the transition period, I had not yet introduced the idea of treating a set as an object that could be put on the stack.
In this package, a particular subgroup (the current subgroup) is treated as a counted table or array. This approach was eventually replaced by a more sophisticated one. While the code in this section does not appear in Groups32, it does mark an important stage in the transition.