Open main menu

Groupprops β

Retraction-invariant normal subgroup

This page describes a subgroup property obtained as a conjunction (AND) of two (or more) more fundamental subgroup properties: retraction-invariant subgroup and normal subgroup
View other subgroup property conjunctions | view all subgroup properties

Contents

Definition

A subgroup of a group is termed a retraction-invariant normal subgroup if it is both a normal subgroup and a retraction-invariant subgroup.

Relation with other properties