sylow subgroups of GL(n,q)

Dear all

I am interested to know about the r-sylow subgroups of GL(n,q), is there any work about the structure of this subgroups?

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The question (and variants of it) is very broad and comes up a lot, so you should use the search box here and/or try math.stackexchange.com. Anyway, check out previous questions on MO such as this one (and various answers giving references): mathoverflow.net/questions/88017 –  Jim Humphreys Jan 17 '13 at 14:19
See in particular Derek Holt's answer to the question linked to by Jim Humphreys. –  Alex B. Jan 17 '13 at 15:52
Quillen's "On the cohomology and $K$-theory of the general linear groups over a finite field".