Question

Are all automorphisms of the character table of a quasisimple finite group generated by Galois and outer automorphisms?

score 33 · Answer 1 · 2024-02-11 13:55:45

33

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Are all automorphisms of the character table of a quasisimple finite group generated by Galois and outer automorphisms?

Published on 11 Feb 2024 - 13:55

score 101 · Answer 2 · 2024-02-18 15:34:07

101

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$\varphi^G$=$\psi^G$ implies that subgroups are conjugate

Published on 18 Feb 2024 - 15:34

score 68 · Answer 3 · 2026-03-20 23:43:22

68

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Constructing the character table of Octahedral Group (order 48)

Published on 20 Mar 2026 - 23:43

score 48 · Answer 4 · 2026-03-21 02:42:58

48

Views

Character table of S4

Published on 21 Mar 2026 - 2:42

score 15 · Answer 5 · 2026-03-04 21:09:38

15

Views

Orthogonality and completeness of irreducible representations

Published on 04 Mar 2026 - 21:09

score 51 · Answer 6 · 2026-03-25 06:13:26

51

Views

An identity about the sum of the reciprocal of the irreducible character of a symmetric group evauated at identity

Published on 25 Mar 2026 - 6:13

score 65 · Answer 7 · 2024-02-24 03:09:37

65

Views

Understanding the proof of Lemma 9.3 in Montgomery & Vaughan's Multiplicative Number Theory

Published on 24 Feb 2024 - 3:09

score 58 · Answer 8 · 2024-02-24 05:26:07

58

Views

Understanding the proof of Theorem 9.4 in Montgomery & Vaughan's Multiplicative Number Theory

Published on 24 Feb 2024 - 5:26

score 44 · Answer 9 · 2024-02-24 23:16:17

44

Views

Can we relate the character of the permutation representation of $G$ on the cosets $G/\langle g_i\rangle$ to the number of cycles of $g_i$?

Published on 24 Feb 2024 - 23:16

score 35 · Answer 10 · 2024-02-28 15:42:28

35

Views

Gauss sum in character theory

Published on 28 Feb 2024 - 15:42

score 66 · Answer 11 · 2024-03-04 04:24:36

66

Views

find the remaining rows of a character table

Published on 04 Mar 2024 - 4:24

score 58 · Answer 12 · 2024-03-07 03:30:15

58

Views

Central idempotents and their relation to subrepresentations, in finite representation-theory over the group-ring $\mathbb{C}[G]$.

Published on 07 Mar 2024 - 3:30

score 135 · Answer 13 · 2026-02-23 13:06:47

135

Views

Problem relating $p$-defect zero characters with their values on a field of characteristic $p$

Published on 23 Feb 2026 - 13:06

score 126 · Answer 14 · 2024-03-12 16:27:22

126

Views

what are the possible dimensions of an irreducible representation of a group of order 21?

Published on 12 Mar 2024 - 16:27

score 93 · Answer 15 · 2024-03-14 12:07:30

93

Views

Character table of groups of order 96, coincidence or there is a reason?

Published on 14 Mar 2024 - 12:07

List Question

Are all automorphisms of the character table of a quasisimple finite group generated by Galois and outer automorphisms?

$\varphi^G$=$\psi^G$ implies that subgroups are conjugate

Constructing the character table of Octahedral Group (order 48)

Character table of S4

Orthogonality and completeness of irreducible representations

An identity about the sum of the reciprocal of the irreducible character of a symmetric group evauated at identity

Understanding the proof of Lemma 9.3 in Montgomery & Vaughan's Multiplicative Number Theory

Understanding the proof of Theorem 9.4 in Montgomery & Vaughan's Multiplicative Number Theory

Can we relate the character of the permutation representation of $G$ on the cosets $G/\langle g_i\rangle$ to the number of cycles of $g_i$?

Gauss sum in character theory

find the remaining rows of a character table

Central idempotents and their relation to subrepresentations, in finite representation-theory over the group-ring $\mathbb{C}[G]$.

Problem relating $p$-defect zero characters with their values on a field of characteristic $p$

what are the possible dimensions of an irreducible representation of a group of order 21?

Character table of groups of order 96, coincidence or there is a reason?

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