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when toggle format what by license comment
Jan 22, 2020 at 23:46 comment added Nourr Mga Thanks for noticing. What do you think of my answer?. Is there an error in one of the answer stages?
Jan 22, 2020 at 9:03 comment added Derek Holt Also, in the case when a subgroup $C_p^{n-1}$ is centralized by the $C_p$, the subgroup $C_p^n$ is not characteristic.
Jan 22, 2020 at 7:46 history edited abx CC BY-SA 4.0
added 8 characters in body
Jan 22, 2020 at 7:24 history answered abx CC BY-SA 4.0