Belyi map for the sporadic group J2
Number Theory
2017-12-15 v1
Abstract
We present a genus 0 Belyi map for the sporadic Janko group J2 of degree 280. As a consequence we obtain a polynomial having Aut(J2) as a Galois group over K(t) where K is a number field of degree 10.
Cite
@article{arxiv.1712.05268,
title = {Belyi map for the sporadic group J2},
author = {Dominik Barth and Andreas Wenz},
journal= {arXiv preprint arXiv:1712.05268},
year = {2017}
}
Comments
3 pages, the data for the Belyi map is contained in the ancillary files