Question

Transitive operation: faithful if and only if stabiliser doesn't have any non-trivial normal subgroup

score 174 · Answer 1 · 2022-10-18 18:58:34

174

Views

Transitive operation: faithful if and only if stabiliser doesn't have any non-trivial normal subgroup

Published on 18 Oct 2022 - 18:58

score 92 · Answer 2 · 2026-03-29 16:29:18

92

Views

Conjugacy classes of subgroups of $D_{4}$

Published on 29 Mar 2026 - 16:29

score 59 · Answer 3 · 2026-04-12 05:09:17

59

Views

Permutationally equivalent representations and conjugacy in $S_n$

Published on 12 Apr 2026 - 5:09

score 19 · Answer 4 · 2026-04-09 17:39:44

19

Views

Stabilizer of a composition is equal to the conjugation of its stablilzer

Published on 09 Apr 2026 - 17:39

score 91 · Answer 5 · 2022-10-24 12:11:03

91

Views

Conjugate stabilisers with group actions

Published on 24 Oct 2022 - 12:11

score 100 · Answer 6 · 2022-10-24 17:46:05

100

Views

When is the quotient by a Lie group action endowed with an induced complex manifold structure?

Published on 24 Oct 2022 - 17:46

score 103 · Answer 7 · 2026-03-26 23:11:38

103

Views

Internal hom of equivariant sheaves

Published on 26 Mar 2026 - 23:11

score 68 · Answer 8 · 2026-04-09 17:47:54

68

Views

How to prove orbifold fundamental group of a "basic orbifold" is a group

Published on 09 Apr 2026 - 17:47

score 84 · Answer 9 · 2026-03-29 03:36:56

84

Views

Question in Dummit and Foote's proof for all simple groups of order $60$ is isomorphic to $A_5$.

Published on 29 Mar 2026 - 3:36

score 88 · Answer 10 · 2026-03-26 13:52:14

88

Views

Isotropy group of a totally geodesic submanifold in a Riemannian homogeneous space acts transitively on the submanifold

Published on 26 Mar 2026 - 13:52

score 105 · Answer 11 · 2026-04-11 23:29:15

105

Views

Transitive group action on two sets $A,B$ implies transitivity on $A\times B$

Published on 11 Apr 2026 - 23:29

score 65 · Answer 12 · 2026-04-11 06:44:22

65

Views

the features of the action of $\Gamma = \langle \gamma \rangle$ on $\mathbb{C}\mathbb{P}^1$

Published on 11 Apr 2026 - 6:44

score 67 · Answer 13 · 2022-11-05 22:12:37

67

Views

Notation for the action of a matrix applied as right-multiplication?

Published on 05 Nov 2022 - 22:12

score 66 · Answer 14 · 2022-11-07 00:18:42

66

Views

Size of the orbits for $3$-coloring of vertices of a tetrahedron.

Published on 07 Nov 2022 - 0:18

score 82 · Answer 15 · 2022-11-09 12:40:31

82

Views

Request proof for proof for $x,y$ in the same orbit : if $y=gx,$ then $\mathrm{Stab}(y)=g\mathrm{Stab}(x)g^{-1}.$

Published on 09 Nov 2022 - 12:40

List Question

Transitive operation: faithful if and only if stabiliser doesn't have any non-trivial normal subgroup

Conjugacy classes of subgroups of $D_{4}$

Permutationally equivalent representations and conjugacy in $S_n$

Stabilizer of a composition is equal to the conjugation of its stablilzer

Conjugate stabilisers with group actions

When is the quotient by a Lie group action endowed with an induced complex manifold structure?

Internal hom of equivariant sheaves

How to prove orbifold fundamental group of a "basic orbifold" is a group

Question in Dummit and Foote's proof for all simple groups of order $60$ is isomorphic to $A_5$.

Isotropy group of a totally geodesic submanifold in a Riemannian homogeneous space acts transitively on the submanifold

Transitive group action on two sets $A,B$ implies transitivity on $A\times B$

the features of the action of $\Gamma = \langle \gamma \rangle$ on $\mathbb{C}\mathbb{P}^1$

Notation for the action of a matrix applied as right-multiplication?

Size of the orbits for $3$-coloring of vertices of a tetrahedron.

Request proof for proof for $x,y$ in the same orbit : if $y=gx,$ then $\mathrm{Stab}(y)=g\mathrm{Stab}(x)g^{-1}.$

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