List questions from semidirect-product

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On monomial matrices (Generalized Permutation Matrices )

Published on 27 Sep 2016 - 6:47

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Prove that the Dihedral group $D_n$ is isomorphic to $Z_n \rtimes_{\psi} Z_2$

Published on 28 Sep 2016 - 23:43

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Difference between internal and external semi direct product

Published on 03 Oct 2016 - 7:03

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Anything wrong with this proof on Rubik's cube group?

Published on 25 Mar 2026 - 12:23

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Do (pseudo)varieties closed under wreath product have a name?

Published on 25 Mar 2026 - 6:11

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Computing $\operatorname{Aut}(D_{2n})$ and realizing it as $\mathbb{Z}/n\mathbb{Z} \rtimes_{\psi} (\mathbb{Z}/n\mathbb{Z})^{\times}$

Published on 13 Oct 2016 - 7:47

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Split extension of groups and semidirect product

Published on 16 Oct 2016 - 11:55

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Characters of semidirect and wreath products of non-Abelian finite groups

Published on 25 Mar 2026 - 6:12

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Is this a special semidirect product?

Published on 26 Mar 2026 - 17:36

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Why $W(B_\ell) \simeq (\Bbb Z/2\Bbb Z)^\ell \rtimes S_\ell$?

Published on 25 Mar 2026 - 14:26

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Classify all groups of order 3825

Published on 27 Oct 2016 - 0:57

41

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What is $Z(\mathbb{Z}_{p} \rtimes_{\phi} \mathbb{Z}_{q})$ if $\phi$ is non-trivial and $p$ and $q$ are primes such that $q \equiv 1(\text{mod} \ p)$?

Published on 28 Oct 2016 - 5:34

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Classify groups of order $pq^2$ using semidirect product

Published on 29 Oct 2016 - 7:08

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Computing the characters of $\prod^t_{i=1} S_{N_i} \wr D_{m_i} $

Published on 26 Mar 2026 - 15:17

List Question

Problem with an example of semidirect product

On monomial matrices (Generalized Permutation Matrices )

Prove that the Dihedral group $D_n$ is isomorphic to $Z_n \rtimes_{\psi} Z_2$

Difference between internal and external semi direct product

Anything wrong with this proof on Rubik's cube group?

Do (pseudo)varieties closed under wreath product have a name?

Computing $\operatorname{Aut}(D_{2n})$ and realizing it as $\mathbb{Z}/n\mathbb{Z} \rtimes_{\psi} (\mathbb{Z}/n\mathbb{Z})^{\times}$

Split extension of groups and semidirect product

Characters of semidirect and wreath products of non-Abelian finite groups

Is this a special semidirect product?

Why $W(B_\ell) \simeq (\Bbb Z/2\Bbb Z)^\ell \rtimes S_\ell$?

Classify all groups of order 3825

What is $Z(\mathbb{Z}_{p} \rtimes_{\phi} \mathbb{Z}_{q})$ if $\phi$ is non-trivial and $p$ and $q$ are primes such that $q \equiv 1(\text{mod} \ p)$?

Classify groups of order $pq^2$ using semidirect product

Computing the characters of $\prod^t_{i=1} S_{N_i} \wr D_{m_i} $

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