<Dl> <Dd> g . S = gSg, </Dd> </Dl> <Dd> g . S = gSg, </Dd> <P> or on the set of the subgroups of G . </P> <P> Conjugacy classes in the fundamental group of a path - connected topological space can be thought of as equivalence classes of free loops under free homotopy . </P>

N. a representative or example of a class or type