Question

If Brauer characters are $\bar{\mathbb{Q}}$-linearly independent, why are they $\mathbb{C}$-linearly independent?

score 282 · Answer 1 · 2016-07-29 08:34:15

282

Views

If Brauer characters are $\bar{\mathbb{Q}}$-linearly independent, why are they $\mathbb{C}$-linearly independent?

Published on 29 Jul 2016 - 8:34

score 144 · Answer 2 · 2016-07-29 12:19:27

144

Views

A question about unipotent characters

Published on 29 Jul 2016 - 12:19

score 537 · Answer 3 · 2016-08-03 12:25:28

537

Views

Classes of finite non-abelian groups with non-trivial center .

Published on 03 Aug 2016 - 12:25

score 262 · Answer 4 · 2016-08-09 17:30:45

262

Views

Product of two coprime conductors is equal to the conductor of the product of the Dirichlet characters

Published on 09 Aug 2016 - 17:30

score 396 · Answer 5 · 2016-08-12 06:25:35

396

Views

Why are the primitive characters of $p$-groups necessarily linear?

Published on 12 Aug 2016 - 6:25

score 3.7k · Answer 6 · 2016-08-22 17:00:16

3.7k

Views

Dirichlet characters and quadratic fields

Published on 22 Aug 2016 - 17:00

score 104 · Answer 7 · 2016-08-27 06:00:18

104

Views

Is exchange of numbers in Dirichlet characters possible?

Published on 27 Aug 2016 - 6:00

score 116 · Answer 8 · 2016-08-27 07:10:41

116

Views

Why must $f$ be non-negative and $f'$ be negative?

Published on 27 Aug 2016 - 7:10

score 182 · Answer 9 · 2016-09-18 06:53:47

182

Views

On the existence of semisimple (irreducible) characters of simply connected algebraic groups

Published on 18 Sep 2016 - 6:53

score 304 · Answer 10 · 2016-09-21 13:41:03

304

Views

Kernel of a group character of a finite abelian group

Published on 21 Sep 2016 - 13:41

score 100 · Answer 11 · 2016-09-24 16:12:06

100

Views

If $\lambda, \delta \in \widehat{G}$, where $G$ is compact abelian and $A$ is ergodic, then $(U_A^n \lambda, \delta) = 0$ eventually

Published on 24 Sep 2016 - 16:12

score 35 · Answer 12 · 2016-09-26 00:26:50

35

Views

Determining the characters of an irrep of $D_4 \times D_8$

Published on 26 Sep 2016 - 0:26

score 188 · Answer 13 · 2026-03-25 13:13:26

188

Views

Bijection between the quadratic subfields of $\mathbb{Q}(\zeta)/\mathbb{Q}$ and the Kronecker Symbols

Published on 25 Mar 2026 - 13:13

score 828 · Answer 14 · 2016-10-08 11:48:37

828

Views

Problem 4.6, I. Martin Isaacs' Character Theory

Published on 08 Oct 2016 - 11:48

score 167 · Answer 15 · 2016-10-11 07:46:09

167

Views

Representation Theory and Character Table of the Monster

Published on 11 Oct 2016 - 7:46

List Question

If Brauer characters are $\bar{\mathbb{Q}}$-linearly independent, why are they $\mathbb{C}$-linearly independent?

A question about unipotent characters

Classes of finite non-abelian groups with non-trivial center .

Product of two coprime conductors is equal to the conductor of the product of the Dirichlet characters

Why are the primitive characters of $p$-groups necessarily linear?

Dirichlet characters and quadratic fields

Is exchange of numbers in Dirichlet characters possible?

Why must $f$ be non-negative and $f'$ be negative?

On the existence of semisimple (irreducible) characters of simply connected algebraic groups

Kernel of a group character of a finite abelian group

If $\lambda, \delta \in \widehat{G}$, where $G$ is compact abelian and $A$ is ergodic, then $(U_A^n \lambda, \delta) = 0$ eventually

Determining the characters of an irrep of $D_4 \times D_8$

Bijection between the quadratic subfields of $\mathbb{Q}(\zeta)/\mathbb{Q}$ and the Kronecker Symbols

Problem 4.6, I. Martin Isaacs' Character Theory

Representation Theory and Character Table of the Monster

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