New posts in Linear Groups

Does $G$ being a subgroup of $GL(n, \mathbb Z/p\mathbb Z)$ for all odd primes $p$ imply it is a subgroup of $GL(n, \mathbb{Z})$?

A connected group which is disconnected

The center of the group of $n\times n$ upper triangular matrices with a diagonal of ones

Diagonalizability of elements of finite subgroups of general linear group over an algebraically closed field

Does SO(3) preserve the cross product?

Is this group of matrices cyclic?

Finite-order elements of $\text{GL}_4(\mathbb{Q})$

Determining if these surjections have sections

$GL_n(\mathbb F_q)$ has an element of order $q^n-1$

Two dimensional complex group representations