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A normal subgroup is ____________

A normal subgroup is ____________ Correct Answer an invariant equipped with conjugation by the elements of original group

A normal subgroup is a subgroup that is invariant under conjugation by any element of the original group that is, K is normal if and only if gKg-1=K for any g belongs to G Equivalently, a subgroup K of G is normal if and only if gK=Kg for any g belongs to G.Normal subgroups are useful in constructing quotient groups and in analyzing homomorphisms.

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