shaunsan5993 shaunsan5993
  • 24-05-2023
  • Mathematics
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Center Z(G) of group G is defined as the set of those elements g
∈ G that commutes with every h ∈ G, i.e. gh = hg.
a. Find Z(D4).
b. Prove that Z(G) is always a normal subgroup of G.

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