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Please give me an example of a locally nilpotent group such that its derived subgroup is a p-group but its central factor is not torsion.

Homework

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  • $\begingroup$ "It's central factor"? What central factor? Do you mean $\,G/Z(G)\,$? $\endgroup$
    – DonAntonio
    Oct 28, 2012 at 14:19
  • $\begingroup$ Assuming that central factor means $G/Z(G)$, does a semidirect product of a quasicyclic $p$-group ${\mathbb Z}_{p^{\infty}}$ by an infinite cyclic group with action $x \mapsto x^{1+p}$ work? $\endgroup$
    – Derek Holt
    Oct 29, 2012 at 10:23
  • $\begingroup$ yes Antonio. By central factor I mean G/Z(G) $\endgroup$
    – Mitra
    Oct 31, 2012 at 14:48
  • $\begingroup$ Dear Derek, would you please explain more? $\endgroup$
    – Mitra
    Oct 31, 2012 at 14:55
  • $\begingroup$ Dear Derek I can't show that your example is locally nilpotent. Would you please help me. $\endgroup$
    – Mitra
    Nov 7, 2012 at 12:26

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