The Mathieu group $M_{23}$ is a Galois group over $\mathbb{Q}$

Xiaoyu Huang, Blake Jackson, Kyu-Hwan Lee +3

Researchers studying the inverse Galois problem realized 25 of the 26 sporadic finite simple groups as Galois groups over $\mathbb{Q}$ during 1984--1989. We complete this program b…