English
There is a canonical morphism from the centralizer of g to the permutation group on g.cycleFactorsFinset, given by the action by conjugation.
Русский
Существует канонический морфизм от центральизатора g к группе перестановок над g.cycleFactorsFinset, задаваемый действием сопряжения.
LaTeX
$$def toPermHom := MulAction.toPermHom (centralizer { g }) g.cycleFactorsFinset$$
Lean4
/-- The canonical morphism from `Subgroup.centralizer {g}`
to the group of permutations of `g.cycleFactorsFinset` -/
def toPermHom :=
MulAction.toPermHom (centralizer { g }) g.cycleFactorsFinset