English

On the rational symplectic group

Group Theory 2023-01-16 v5

Abstract

This note contains a short proof of a classical result: any rational symplectic matrix can be put in diagonal form after right and left multiplication by integral symplectic matrices.

Keywords

Cite

@article{arxiv.2208.02549,
  title  = {On the rational symplectic group},
  author = {Yves Benoist},
  journal= {arXiv preprint arXiv:2208.02549},
  year   = {2023}
}
R2 v1 2026-06-25T01:28:25.795Z