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edited Jul 3, 2018 at 12:13

The finite extensions of $SL_2(q)$

Let $G$ be a finite group such that $Z(G)\leq SL_2(q) \leq G $ and $G/Z(G) \cong PGL_2(q)$· Is there any information about the structure of $G$?

asked Jul 3, 2018 at 11:35