1,2

R. Gow, Even unimodular lattices ... J. Alg. 22 (1989), 510-519.

R. Gow, Unimodular integral lattices ... Bull. Lond. Math. Soc. 21 (1989), 257-262.

B. H. Gross, Groups over Z, Invent Math. 124 (1996) 263-279.

J. G. Thompson, A simple subgroup of E_8(3), in Finite Groups Sympos., ed. N Iwahori, Japan Soc. Promotion Science, Tokyo, 1976, pp. 113-116.

J. G. Thompson, Finite groups and integral lattices, J. Alg 38 (1976) 523-524.

Sequence in context: A061027 A052656 A094061 this_sequence A050893 A037025 A103624

Adjacent sequences: A002265 A002266 A002267 this_sequence A002269 A002270 A002271

nonn,nice,bref

njas and J. H. Conway (conway(AT)math.princeton.edu)