List questions from finite-groups

Published on 26 Mar 2026 - 6:21

136

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Group elements $x$ and $y$ satisfying $x^2 = y^2x^2y$ and $yx^{-1}y^2 = x^7$ commute.

Published on 25 Mar 2026 - 17:33

802

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multiplication in Galois Fields

Published on 30 Mar 2026 - 20:50

110

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Determine the center of this finitely presented group.

Published on 25 Mar 2026 - 17:34

100

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Another Presentation of Certain Cyclic Groups

Published on 25 Mar 2026 - 17:28

51

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Is my proof correct? (about commutators)

Published on 25 Jul 2014 - 17:50

274

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Schur Multiplier of general linear group

Published on 26 Mar 2026 - 9:40

74

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Normal subgroup created by a bunch of elements

Published on 25 Jul 2014 - 23:01

234

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Show that Icosahedral group does not have normal subgroup of order 5

Published on 26 Mar 2026 - 20:40

112

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pemutation representation that confuses me a lot recently

Published on 26 Jul 2014 - 23:20

176

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Relation of order of a permutation with its sign

Published on 28 Jul 2014 - 13:19

1.5k

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If $G$ is a non-cyclic group of order $n^2$, then $G$ is isomorphic to $\mathbb{Z_n} \oplus \mathbb{Z_n}$

Published on 28 Jul 2014 - 23:46

532

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An elementary question regarding a multiplicative character over finite fields

Published on 01 Apr 2026 - 9:11

94

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Counting apartments in spherical buildings

Published on 29 Jul 2014 - 15:51

5.9k

Views

Structure of a group, $G$, of order $pq$ where $p, q$ are prime.

Published on 29 Jul 2014 - 21:59

List Question

Prove that there is a basis of a lattice $\Lambda$ s.t. a reflection is of a certain form

Group elements $x$ and $y$ satisfying $x^2 = y^2x^2y$ and $yx^{-1}y^2 = x^7$ commute.

multiplication in Galois Fields

Determine the center of this finitely presented group.

Another Presentation of Certain Cyclic Groups

Is my proof correct? (about commutators)

Schur Multiplier of general linear group

Normal subgroup created by a bunch of elements

Show that Icosahedral group does not have normal subgroup of order 5

pemutation representation that confuses me a lot recently

Relation of order of a permutation with its sign

If $G$ is a non-cyclic group of order $n^2$, then $G$ is isomorphic to $\mathbb{Z_n} \oplus \mathbb{Z_n}$

An elementary question regarding a multiplicative character over finite fields

Counting apartments in spherical buildings

Structure of a group, $G$, of order $pq$ where $p, q$ are prime.

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