List questions from finite-groups

Published on 23 Feb 2026 - 4:01

163

Views

Finding a $p$-Sylow-subgroup of GL$_2(\mathbb{Z}/p\mathbb{Z})$

Published on 25 Mar 2026 - 22:11

37

Views

Cardinality of an intersection of two submodules.

Published on 27 Mar 2026 - 1:45

84

Views

How to find the irreducible constituents of a Brauer character with MAGMA?

Published on 25 Mar 2026 - 6:13

48

Views

Finite groups of cyclicality index 3

Published on 27 Mar 2026 - 22:11

73

Views

Cycle types of elements of normalizers of point stabilizers of transitive permutation groups

Published on 09 May 2019 - 1:35

46

Views

Some properties implied from the definition of semidirect product.

Published on 09 May 2019 - 9:27

49

Views

The construction outer semidirect product from two groups.

Published on 09 May 2019 - 10:56

43

Views

Number of permutations $\sigma\in S_n$ with $\sigma(k)\neq k$ for all $k=1,\ldots,n$

Published on 09 May 2019 - 11:20

1.9k

Views

Let $G$ be a non-abelian group of order $10$. Prove that G has a trivial center.

Published on 27 Mar 2026 - 3:44

93

Views

Cycle types of elements of centralizers of transitive permutation groups

Published on 09 May 2019 - 21:45

130

Views

Center and derived of the subgroup generated by $\langle(1,2,3),(1,2,4),(5,6)\rangle$ in $S_6$

Published on 26 Mar 2026 - 21:10

377

Views

Find all semidirect products of $(\mathbb{Z}_4,+)$ by $C_2 $

Published on 25 Mar 2026 - 10:57

257

Views

How to enumerate Von Dyck groups?

Published on 25 Mar 2026 - 12:46

300

Views

Divisibility of cubes by 7

Published on 10 May 2019 - 22:18

List Question

For what $n$ is $A_n$ a marginal subgroup of $S_n$?

Finding a $p$-Sylow-subgroup of GL$_2(\mathbb{Z}/p\mathbb{Z})$

Cardinality of an intersection of two submodules.

How to find the irreducible constituents of a Brauer character with MAGMA?

Finite groups of cyclicality index 3

Cycle types of elements of normalizers of point stabilizers of transitive permutation groups

Some properties implied from the definition of semidirect product.

The construction outer semidirect product from two groups.

Number of permutations $\sigma\in S_n$ with $\sigma(k)\neq k$ for all $k=1,\ldots,n$

Let $G$ be a non-abelian group of order $10$. Prove that G has a trivial center.

Cycle types of elements of centralizers of transitive permutation groups

Center and derived of the subgroup generated by $\langle(1,2,3),(1,2,4),(5,6)\rangle$ in $S_6$

Find all semidirect products of $(\mathbb{Z}_4,+)$ by $C_2 $

How to enumerate Von Dyck groups?

Divisibility of cubes by 7

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