Evaluate $o(GL_2 (\mathbb{Z}/p))$
91085
how to find $|GL_2(F_p)|$
105322
Computing the quotient of SL(2,Z) by its commutator subgroup
75828
Compute Galois group of $\mathbb F_q/\mathbb F_p$
69694
Classify orbits of conjugating action on $GL_2(\mathbb{C})$
76962
Sylow $p$-subgroups of $GL_n(\mathbb{F}_p)$
38153
Looking for a simple proof that groups of order $2p$ are up to isomorphism $\mathbb{Z}_{2p}$ and $D_{p}$ .
154241
What is the easiest way to generate $\mathrm{GL}(n,\mathbb Z)$?
33025
What is the order of $(\mathbb{Z} \oplus \mathbb{Z})/ \langle (2,2) \rangle$ and is it cyclic?
134872
Generators of $\text{GL}_{2}(\mathbb{Z})$ group, good reference book?
2235
Showing $\text{Aut}_\mathsf{Grp}(\mathbb{Z}/2\mathbb{Z} \times \mathbb{Z}/2\mathbb{Z}) \cong S_3$
118310
How to find $\operatorname{Gal}(S/\mathbb{Q})$
29269
fundamental group of $GL^{+}_n(\mathbb{R})$
145752
Aut $\mathbb Z_p\simeq \mathbb Z_{p-1}$
118898
Is there a simple way of proving that $\text{GL}_n(R) \not\cong \text{GL}_m(R)$?
56647
Structure of $Gal(\mathbb{Q}(\zeta_{15})/\mathbb{Q})$?
144582
Index of a subgroup in $SL_2(\mathbb{Z})$
151961
Irreducibility of $x^{p(p-1)}+x^{p(p-2)}+\cdots+x^p+1$ over $\mathbb Q$