%I #14 Jun 14 2024 22:31:08
%S 3,3,7,8,0,4,7,5,3,1,4,3,6,3,4,8,0,6,2,6,1,3,8,8,1,9,0,6,1,4,0,8,5,5,
%T 9,5,0,7,9,9,9,1,6,9,2,2,4,2,4,6,7,6,5,1,5,7,6,1,6,0,9,5,9,9,0,9,0,6,
%U 8,8,0,0,0,0,0
%N Order of simple Chevalley group E_8(2).
%D J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985 [for best online version see https://oeis.org/wiki/Welcome#Links_to_Other_Sites], p. xvi.
%D H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.
%e 337804753143634806261388190614085595079991692242467651576160959909068800000.
%p 2^120*(2^2-1)*(2^8-1)*(2^12-1)*(2^14-1)*(2^18-1)*(2^20-1)*(2^24-1)*(2^30-1);
%Y Cf. A008868.
%K nonn,fini,full,cons
%O 75,1
%A _N. J. A. Sloane_