List questions from group-extensions

Published on 15 Jan 2012 - 14:43

116

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Elements as a pair in a group extension

Published on 22 May 2012 - 19:30

151

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Is every finite group an extension?

Published on 08 Jun 2012 - 20:47

850

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Non-Isomorphic Group Extensions

Published on 23 Oct 2012 - 2:33

142

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Group extension

Published on 02 Mar 2013 - 13:10

6.4k

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What is the relation between semidirect products, extensions, and split extensions?

Published on 24 Mar 2013 - 16:13

194

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If $N \triangleleft G$ is virtually solvable and $G/N$ is virtually infinite cyclic then $G$ is virtually solvable.

Published on 05 Aug 2020 - 19:34

163

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Structure of the automorphism group of a group

Published on 06 Aug 2020 - 7:13

97

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Definition of double cover through exact sequences

Published on 08 Aug 2020 - 15:08

82

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GAP/QPA algorithm to trivial extension

Published on 03 Sep 2020 - 16:21

80

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A curious non-abelian continuous structure defined by three different group extensions

Published on 20 Sep 2020 - 21:16

574

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group extension properties: split, central, cocycle or not

Published on 27 Sep 2020 - 5:34

68

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Group multiplications in $Spin(d)$ via $(a,q) \in (\mathbb{Z}/2, SO(d))$

Published on 27 Sep 2020 - 19:25

116

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Explicit automorphism map of $SO(n;\mathbb{R})$ for $n \neq 2,8$?

Published on 28 Sep 2020 - 0:55

90

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Is $F$ over $\mathbb{F}_2(x)$ separable?

Published on 23 Feb 2026 - 17:23

List Question

Conjugacy classes in group extensions

Elements as a pair in a group extension

Is every finite group an extension?

Non-Isomorphic Group Extensions

Group extension

What is the relation between semidirect products, extensions, and split extensions?

If $N \triangleleft G$ is virtually solvable and $G/N$ is virtually infinite cyclic then $G$ is virtually solvable.

Structure of the automorphism group of a group

Definition of double cover through exact sequences

GAP/QPA algorithm to trivial extension

A curious non-abelian continuous structure defined by three different group extensions

group extension properties: split, central, cocycle or not

Group multiplications in $Spin(d)$ via $(a,q) \in (\mathbb{Z}/2, SO(d))$

Explicit automorphism map of $SO(n;\mathbb{R})$ for $n \neq 2,8$?

Is $F$ over $\mathbb{F}_2(x)$ separable?

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