ProCGroups.FiniteStepSolvableQuotients.AbelianActions
This module develops finite quotient, subgroup, free pro-\(C\), generation, and cardinal-invariant constructions for profinite and pro-\(C\) groups.
Faithful
An action has no nontrivial fixed points if every globally fixed element is trivial.
SlimnessAndTorsion
A group is torsion-free when every element of finite order is trivial.