English

A remark on Chevalley's ambiguous class number formulas

Number Theory 2016-05-19 v2

Abstract

In this note we remark that Chevalley's ambiguous class number formula is an immediate consequence of the Hasse norm theorem, the local and global norm index theorems for cyclic extensions.

Cite

@article{arxiv.1412.1458,
  title  = {A remark on Chevalley's ambiguous class number formulas},
  author = {Chia-Fu Yu},
  journal= {arXiv preprint arXiv:1412.1458},
  year   = {2016}
}

Comments

3 pages

R2 v1 2026-06-22T07:19:35.569Z