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Posted: **Thu May 12, 2022 6:27 am**

: Let G Be A Group And H Be Some Element Of G Let H Be The Set Of Elements In G That Commute With H That Is H 9 G G 1 (14.71 KiB) Viewed 23 times

Let G be a group and h be some element of G. Let H be the set of elements in G that commute with h. That is H = {9 € G:gh = hg}. Prove that H is a subgroup of G.