List questions from group-extensions | MathQA

A cyclic group extension "on both sides"

Published on 26 Apr 2022 - 10:35

Perfect groups, central extensions and abelian groups

Published on 27 Apr 2022 - 19:33

Perfect semi direct products

Published on 28 Apr 2022 - 19:33

Inverse Sequence of Group Extensions?

Published on 15 Aug 2022 - 14:38

Relationship between orders of $Ng\in \frac{G}{N}$ and $q\in Q$ if $G=N\cdot Q$.

Published on 27 Aug 2022 - 17:37

Non-splitting extensions of groups with trivial center

Published on 09 Sep 2022 - 10:53

$G$ is an extension of $\mathbb{Z}^2$ by $\mathbb{Z}$

Published on 23 Sep 2022 - 21:52

Silly cohomology computation

Published on 14 Nov 2022 - 3:20

Does the class of groups with all non-abelian composition factors contain some rich subclass?

Published on 21 Nov 2022 - 10:27

In GAP, how to to construct all non-split extensions?

Published on 05 Dec 2022 - 11:28

Is a profinite HNN-extension of the profinite completion of a group the profinite completion of an HNN-extension of the same group?

Published on 14 Dec 2022 - 17:55

A doubt in a theorem about group extensions

Published on 23 Dec 2022 - 14:52