# Suppose that H is a subgroup of G and let G act by conjugation on the set X = {gHg-1 : g ∈ G}. Describe, as precisely as possible, the stabilizer of H under this action.

Question
Suppose that H is a subgroup of G and let G act by conjugation on the set X = {gHg-1 : g ∈ G}. Describe, as precisely as possible, the stabilizer of H under this action.