normal subgroup
English edit
Etymology edit
The term was coined by Évariste Galois.
Noun edit
normal subgroup (plural normal subgroups)
- (group theory) A subgroup H of a group G that is invariant under conjugation; that is, for all elements h of H and for all elements g in G, the element ghg−1 is in H.
Translations edit
subgroup that is invariant under conjugation
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