List questions from group-extensions | MathQa

How to describe all non-abelian extension groups of a given $\mathbb{Z}_n$ by $\mathbb{Z}_m$, where $n$ and $m$ are primes?

Published on 12 Jan 2025 - 23:32

Existence of a Section in Group Extension

Published on 12 Jan 2025 - 23:03

"Extension" of orthogonal group

Published on 12 Jan 2025 - 18:26

Extension of $\mathbb Z_2$ by $SO(n)$

Published on 13 Jan 2025 - 5:15

Determining if a (Lie algebra) central extension is trivial.

Published on 12 Jan 2025 - 23:15

Bourbaki's definition of semidirect product

Published on 12 Jan 2025 - 23:04

Semidirect product: general automorphism always results in a conjugation

Published on 13 Jan 2025 - 5:15

Nonsplit extension of $\mathbb{Z}$ by itself

Published on 12 Jan 2025 - 23:02

What are some good matetials for learning about group extensions?

Published on 12 Jan 2025 - 23:19

Where am I making a mistake with $Ext^1(A,C)$?

Published on 12 Jan 2025 - 23:06