The Picard Group of a Reductive Group over a Number Field
Number Theory
2023-12-12 v1
Abstract
We give a description of the Picard group of a reductive group over a number field as an abelianized Galois cohomology group. It gives another approach of a result due to Labesse.
Cite
@article{arxiv.2312.06361,
title = {The Picard Group of a Reductive Group over a Number Field},
author = {Dylon Chow},
journal= {arXiv preprint arXiv:2312.06361},
year = {2023}
}