This page describes a subgroup property obtained as a conjunction (AND) of two (or more) more fundamental subgroup properties: isomorph-automorphic subgroup and normal subgroup
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A subgroup of a group is termed an isomorph-automorphic normal subgroup if it satisfies the following two conditions:
- It is a normal subgroup.
- Every subgroup of the whole group isomorphic to it is an automorphic subgroup, i.e., there is an automorphism sending one subgroup to the other.
Relation with other properties