Group of all $2\times2$ matrices where $a$, $b$, $c$, and $d$ are integers modulo $p$, Herstein Q$26$ Page $37$
110390
Order of group $GL_{2}\left( \mathbb{F}_{p}\right) $
36064
How many $3 \times 3$ integer matrices are orthogonal?
135808
Show that there is a positive integer $n$ such that $G \cong \ker(\phi^{n}) \times \phi^{n}(G)$
87136
All matrices which commute with all $2\times 2$ matrices
94296
Classifying the factor group $(\mathbb{Z} \times \mathbb{Z})/\langle (2, 2) \rangle$
131972
All nilpotent $2 \times 2$ matrices satisfy $A^{2}=0$
35660
Elements of order 2 in $D_{2n}$
25744
Multiplication in Permutation Groups Written in Cyclic Notation
53327
$C_2 \times C_2$ and $C_4$
27056
$ gl(2,\mathbb C) \cong sl(2,\mathbb C) \oplus \mathbb C $
78298
On the nilpotence of the matrix $AB-BA$
113474
An $n \times n$ matrix $M$ of integers has the property that $M_{ab} = M_{xy}$ iff $a+b=x+y$. How many distinct elements are there in $M$?
94420
Dihedral group - elements of order $2$
98507
$\text{Aut}(F)$ is isomorphic to the multiplicative group of all $n\times n$ matrices over $\mathbb Z$
43326
Can every group be represented by a group of matrices?
130826
Computing class group of $\mathbb Q(\sqrt{6})$
26343
Number of certain (0,1)-matrices, Stanley's Enumerative Combinatorics