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Oct 25, 2016 at 18:29 answer added YCor timeline score: 0
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Dec 31, 2015 at 17:24 answer added Yakov timeline score: 2
May 11, 2014 at 9:22 comment added Yassine Guerboussa @Geoff Robinson: Yes you are right. For $p=2$, one say that $G$ is $2$-central if every element of order dividing 4 is central. $A$ can be taken to be of exponent 4, so Alperin's result can be applied.
May 11, 2014 at 9:02 comment added Geoff Robinson I think the result you mention requires $p$ to be odd, doesn't it ( I mean the one of Alperin, Feit-Thompson)?
May 10, 2014 at 21:13 history asked Yassine Guerboussa CC BY-SA 3.0