List questions from semidirect-product

Published on 25 Mar 2026 - 18:56

289

Views

Group action by a semi-direct product.

Published on 12 Jan 2020 - 7:32

115

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Number of subgroups of semidirect product of two elementary abelian subgroups

Published on 19 Jan 2020 - 23:38

846

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Groups which cannot be written as semidirect products

Published on 05 Feb 2020 - 13:01

223

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Prove that $G=$SL$(2, \mathbb{F}_5)$ is an extension of $\mathbb{Z}_2$ by $A_5$ which is not a semidirect product.

Published on 06 Feb 2020 - 3:57

198

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Inner semidirect product as outer semidirect

Published on 10 Feb 2020 - 20:30

1k

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Semidirect product action and its geometry

Published on 11 Feb 2020 - 16:39

316

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semidirect product between subgroup of general linear group and vector space in GAP

Published on 25 Mar 2026 - 6:34

106

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A group of order $340$ is isomorphic to $H\rtimes K$, with $K$ being a $2$-Sylow subgroup

Published on 14 Feb 2020 - 19:19

113

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On the number of subgroups of semidirect product

Published on 20 Feb 2020 - 2:25

42

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Elements of $C_3\rtimes C_2$ not $S_3$ or $D_3$

Published on 28 Feb 2020 - 6:37

84

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Generators of $C_3\rtimes C_2$

Published on 02 Mar 2020 - 0:29

190

Views

Computing Lie algebra of semidirect product

Published on 07 Mar 2020 - 12:30

2k

Views

Centralizer of symmetric group

Published on 25 Mar 2026 - 6:10

197

Views

When the direct and semi-direct products are isomorphic.

Published on 26 Mar 2020 - 16:42

List Question

Presentation $\langle x,y \mid x^3=y^3=(xy)^3=1\rangle\cong\langle t\rangle\ltimes A$

Group action by a semi-direct product.

Number of subgroups of semidirect product of two elementary abelian subgroups

Groups which cannot be written as semidirect products

Prove that $G=$SL$(2, \mathbb{F}_5)$ is an extension of $\mathbb{Z}_2$ by $A_5$ which is not a semidirect product.

Inner semidirect product as outer semidirect

Semidirect product action and its geometry

semidirect product between subgroup of general linear group and vector space in GAP

A group of order $340$ is isomorphic to $H\rtimes K$, with $K$ being a $2$-Sylow subgroup

On the number of subgroups of semidirect product

Elements of $C_3\rtimes C_2$ not $S_3$ or $D_3$

Generators of $C_3\rtimes C_2$

Computing Lie algebra of semidirect product

Centralizer of symmetric group

When the direct and semi-direct products are isomorphic.

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