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Higman–Sims group
Sporadic simple group / From Wikipedia, the free encyclopedia
In the area of modern algebra known as group theory, the Higman–Sims group HS is a sporadic simple group of order
- 29⋅32⋅53⋅7⋅11 = 44352000
- ≈ 4×107.
The Schur multiplier has order 2, the outer automorphism group has order 2, and the group 2.HS.2 appears as an involution centralizer in the Harada–Norton group.