Geodesic
The 3-local cohomology of the Mathieu group M24
Glasgow mathematical journal, Tome 38 (1996) no. 1, pp. 69-75

Voir la notice de l'article provenant de la source Cambridge University Press

In this paper we calculate the localisation at the prime 3 of the integral cohomology ring of the Mathieu group M24, together with its mod-3 cohomology ring. The main results areTheorem 1. The ring H*(M24, Z)(3)is the commutative graded Z(3)-algebra with generatorsand relations v2 = 0 and βθ = 0. The Chern classes of the Todd representation in GL11F2 
Green, David John. The 3-local cohomology of the Mathieu group M24. Glasgow mathematical journal, Tome 38 (1996) no. 1, pp. 69-75. doi: 10.1017/S0017089500031281
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