Search: id:A002268
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%I A002268
%S A002268 1,8,24,248
%N A002268 Dimensions of integral lattices that are irreducible modulo every prime 
               (there may be missing terms!).
%D A002268 R. Gow, Even unimodular lattices ... J. Alg. 22 (1989), 510-519.
%D A002268 R. Gow, Unimodular integral lattices ... Bull. Lond. Math. Soc. 21 (1989), 
               257-262.
%D A002268 B. H. Gross, Groups over Z, Invent Math. 124 (1996) 263-279.
%D A002268 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.
%D A002268 J. G. Thompson, Finite groups and integral lattices, J. Alg 38 (1976) 
               523-524.
%Y A002268 Sequence in context: A061027 A052656 A094061 this_sequence A050893 A037025 
               A103624
%Y A002268 Adjacent sequences: A002265 A002266 A002267 this_sequence A002269 A002270 
               A002271
%K A002268 nonn,nice,bref
%O A002268 1,2
%A A002268 N. J. A. Sloane (njas(AT)research.att.com) and J. H. Conway (conway(AT)math.princeton.edu)

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