List questions from group-extensions

Published on 18 Dec 2020 - 16:42

565

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Dot notation for group extensions

Published on 19 Dec 2020 - 11:37

230

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Tensor product and extension of scalars

Published on 20 Dec 2020 - 23:25

109

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Splitting theorems in finite p-groups

Published on 27 Dec 2020 - 10:30

102

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Showing that a Group Extension is Split

Published on 25 Mar 2026 - 14:21

134

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Is there a way to check if a group extension is split or not using GAP?

Published on 19 Jan 2021 - 9:12

203

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Extensions of solvable Groups and solvability in between...

Published on 01 Feb 2021 - 6:40

216

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Topology on $\operatorname{Hom}(\mathbb{Q}, \mathbb{R}/\mathbb{Z})$

Published on 28 Feb 2021 - 9:57

367

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Extensions of $\mathbb{Z}$ by $\mathbb{Z}$

Published on 18 Mar 2021 - 22:06

77

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When are a group $G$ and a normal subgroup both extensions of a subgroup $H$ of $G$?

Published on 15 Aug 2021 - 14:40

211

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Presentation for Binary Icosahedral Group "Using" Presentation for $A_5$

Published on 19 Aug 2021 - 16:02

63

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Computing the Stabilizer of a coset $Nh$ in $H=N.G$ using GAP.

Published on 28 Aug 2021 - 14:06

249

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Irreducible representations of a non-split group extension by an Abelian group

Published on 18 Sep 2021 - 14:13

52

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Generating sets of semi-direct products with $\mathbb{Z}_2$

Published on 23 Sep 2021 - 14:27

256

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Construction of Ext group

Published on 03 Oct 2021 - 8:56

List Question

Group Extensions and Couplings

Dot notation for group extensions

Tensor product and extension of scalars

Splitting theorems in finite p-groups

Showing that a Group Extension is Split

Is there a way to check if a group extension is split or not using GAP?

Extensions of solvable Groups and solvability in between...

Topology on $\operatorname{Hom}(\mathbb{Q}, \mathbb{R}/\mathbb{Z})$

Extensions of $\mathbb{Z}$ by $\mathbb{Z}$

When are a group $G$ and a normal subgroup both extensions of a subgroup $H$ of $G$?

Presentation for Binary Icosahedral Group "Using" Presentation for $A_5$

Computing the Stabilizer of a coset $Nh$ in $H=N.G$ using GAP.

Irreducible representations of a non-split group extension by an Abelian group

Generating sets of semi-direct products with $\mathbb{Z}_2$

Construction of Ext group

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