normal subgroup

EnglishEdit

 
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EtymologyEdit

The term was coined by Évariste Galois.

NounEdit

normal subgroup (plural normal subgroups)

  1. (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.

TranslationsEdit