The Cohomology of the Sylow 2-subgroup of the Higman-Sims Group

Alejandro Adem, Jon F. Carlson, Dikran Karagueuzian +1

In this paper we compute the mod 2 cohomology of the Sylow 2-subgroup of the Higman-Sims group HS, one of the 26 sporadic simple groups. We obtain its Poincare series as well as an…