Author

I. Shimada

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Preprint Aug 2026

Involutions in the affine Conway group

The affine Conway group is the group of affine isometries of the Leech lattice. This group is isomorphic to the automorphism group of a standard fundamental domain for the action of the Weyl group on the even hyperbolic lattice II_{1, 25} of rank 26. In this paper, we show that the affine Conway group has exactly nine...

I. Shimada · 0 citations