normal subgroup

短语

词形变化

normal subgroups 复数 normal subgroups

释义与例句

n.
  1. 1.

    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.

    数学

词源

The term was coined by Évariste Galois.

来源：wiktionary