A remark on Chevalley's ambiguous class number formulas

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.

3 pages

References in corpus (1)

• The Ambiguous Class Number Formula Revisited

Cited by in corpus (1)

• The Chevalley-Gras formula over global fields