List questions from class-field-theory

Published on 26 Mar 2026 - 13:51

160

Views

Is the group of local 1 units cyclic up to to finite index under the action of the Galois group?

Published on 26 Mar 2026 - 1:12

498

Views

Ray class groups through binary quadratic forms

Published on 24 Nov 2016 - 22:19

197

Views

Closure of an ideal with respect to p-adic valuation

Published on 26 Mar 2026 - 13:51

507

Views

Ramification in infinite Galois extensions

Published on 26 Mar 2026 - 1:09

1.6k

Views

Some questions about Class Field Theory from a beginner

Published on 16 Dec 2016 - 15:11

45

Views

Same Ramification in Number Fields.

Published on 22 Dec 2016 - 20:24

97

Views

Relation between reciprocity laws and split places

Published on 25 Mar 2026 - 14:20

201

Views

Brauer Group of $\mathbb{Q}_2$

Published on 26 Dec 2016 - 0:02

309

Views

Artin Reciprocity over the rationals: is the discriminant an acceptable modulus?

Published on 26 Dec 2016 - 21:44

189

Views

Conductor $0$ implies unramified

Published on 02 Jan 2017 - 0:44

1k

Views

Field norm restricted to groups of units in local fields

Published on 12 Jan 2017 - 22:11

236

Views

Ramification jumps of the maximal abelian extension of the maximal abelian extension of the maximal abelian extension of a local field

Published on 27 Jan 2017 - 13:50

77

Views

Artin reciprocity and 1-dimensional representations

Published on 31 Jan 2017 - 4:57

164

Views

1-1 correspondence between open subgroups of finite index and finite subgroups of $\text{Hom}(G,\mathbb Q/ \mathbb Z)$

Published on 26 Mar 2026 - 20:16

List Question

Valuation of a root smaller than valuation of a polynomial

Is the group of local 1 units cyclic up to to finite index under the action of the Galois group?

Ray class groups through binary quadratic forms

Closure of an ideal with respect to p-adic valuation

Ramification in infinite Galois extensions

Some questions about Class Field Theory from a beginner

Same Ramification in Number Fields.

Relation between reciprocity laws and split places

Brauer Group of $\mathbb{Q}_2$

Artin Reciprocity over the rationals: is the discriminant an acceptable modulus?

Conductor $0$ implies unramified

Field norm restricted to groups of units in local fields

Ramification jumps of the maximal abelian extension of the maximal abelian extension of the maximal abelian extension of a local field

Artin reciprocity and 1-dimensional representations

1-1 correspondence between open subgroups of finite index and finite subgroups of $\text{Hom}(G,\mathbb Q/ \mathbb Z)$

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