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when toggle format what by license comment
Sep 5, 2014 at 4:42 vote accept user114539
Sep 4, 2014 at 19:18 comment added Derek Holt It's clearly at most $|G/Z(G)|^2$, which can be arbitrarily small as a fraction of $|G|$. See mathoverflow.net/questions/179834
Sep 4, 2014 at 19:05 answer added Geoff Robinson timeline score: 8
Sep 4, 2014 at 18:13 history asked user114539 CC BY-SA 3.0