A construction of 2-arc-transitive non-solvable covers of complete graphs

Jiyong Chen; Cai Heng Li; Ci Xuan Wu; Yan Zhou Zhu

doi:10.1016/j.ejc.2026.104377

paper

A construction of 2-arc-transitive non-solvable covers of complete graphs

arXiv:2604.02316 · doi:10.1016/j.ejc.2026.104377

Abstract

We construct connected $2$ -arc-transitive covers of complete graphs with non-abelian characteristically simple transformation groups. This solves the existence problem for non-solvable $2$ -arc-transitive covers of complete graphs.

10 pages, accepted for publication in European Journal of Combinatorics