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Explanation for a theorem pertaining on Dirichlet character sums

score 512 · Answer 1 · 2026-04-13 06:23:32

512

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Explanation for a theorem pertaining on Dirichlet character sums

Published on 13 Apr 2026 - 6:23

score 95 · Answer 2 · 2026-04-13 20:59:59

95

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Proof of convergence of $L'\left(1,\chi\right)$

Published on 13 Apr 2026 - 20:59

score 4.2k · Answer 3 · 2026-04-15 04:15:25

4.2k

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Why does the tensor product of an irreducible representation with the sign representation yield another irreducible representation?

Published on 15 Apr 2026 - 4:15

score 955 · Answer 4 · 2026-04-15 07:47:03

955

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Sum of irreducible character values in a row of the character table

Published on 15 Apr 2026 - 7:47

score 443 · Answer 5 · 2026-04-14 17:47:47

443

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A class function $f$ is a character if and only if $(f,\chi_{q_i})_G $ is a non-negative integer, for all irreducible characters $\chi_{q_i}$

Published on 14 Apr 2026 - 17:47

score 817 · Answer 6 · 2026-04-09 16:14:40

817

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Nilpotent groups are monomial

Published on 09 Apr 2026 - 16:14

score 94 · Answer 7 · 2026-04-11 03:59:10

94

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Example of projective rep being used in Clifford theory

Published on 11 Apr 2026 - 3:59

score 1.8k · Answer 8 · 2026-05-10 19:48:07

1.8k

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Understanding the irreducible representations of $D_3$

Published on 10 May 2026 - 19:48

score 567 · Answer 9 · 2026-04-12 17:52:55

567

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What are the Pontryagin duals of additive and multiplicative group of complex number?

Published on 12 Apr 2026 - 17:52

score 554 · Answer 10 · 2026-04-14 12:35:31

554

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Show that 2 representations are not equivalent and find all the irreducible representations of G.

Published on 14 Apr 2026 - 12:35

score 2.6k · Answer 11 · 2026-04-12 06:42:25

2.6k

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How to tell whether a representation of a group is faithful or unfaithful?

Published on 12 Apr 2026 - 6:42

score 2k · Answer 12 · 2026-04-14 08:42:13

2k

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Easy way to get real irreducible characters (reps) from complex irreducible characters?

Published on 14 Apr 2026 - 8:42

score 163 · Answer 13 · 2026-05-11 00:38:54

163

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Discontinuous characters on locally compact abelian groups

Published on 11 May 2026 - 0:38

score 617 · Answer 14 · 2026-04-13 23:27:04

617

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Characters of a unipotent group.

Published on 13 Apr 2026 - 23:27

score 542 · Answer 15 · 2026-04-15 03:27:32

542

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Decomposing direct product of irreps

Published on 15 Apr 2026 - 3:27

List Question

Explanation for a theorem pertaining on Dirichlet character sums

Proof of convergence of $L'\left(1,\chi\right)$

Why does the tensor product of an irreducible representation with the sign representation yield another irreducible representation?

Sum of irreducible character values in a row of the character table

A class function $f$ is a character if and only if $(f,\chi_{q_i})_G $ is a non-negative integer, for all irreducible characters $\chi_{q_i}$

Nilpotent groups are monomial

Example of projective rep being used in Clifford theory

Understanding the irreducible representations of $D_3$

What are the Pontryagin duals of additive and multiplicative group of complex number?

Show that 2 representations are not equivalent and find all the irreducible representations of G.

How to tell whether a representation of a group is faithful or unfaithful?

Easy way to get real irreducible characters (reps) from complex irreducible characters?

Discontinuous characters on locally compact abelian groups

Characters of a unipotent group.

Decomposing direct product of irreps

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