A Dedekind-Rademacher cocycle for Bianchi groups
Number Theory
2025-07-23 v1
Abstract
We construct a generalization of the Dedekind-Rademacher cocycle to congruence subgroups of , and derive some of its basic properties. In particular, we show that it parametrizes a family of -values and prove the integrality of these values.
Keywords
Cite
@article{arxiv.2507.16671,
title = {A Dedekind-Rademacher cocycle for Bianchi groups},
author = {Kim Klinger-Logan and Kalani Thalagoda and Tian An Wong},
journal= {arXiv preprint arXiv:2507.16671},
year = {2025}
}
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14 pages