A008869 Order of universal Chevalley group E_7 (q), q = prime power.

7997476042075799759100487262680802918400, 2542750473636273484480959502278043289108758407541532509234790400

Offset

1,1

References

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.

H. S. M. Coxeter and W. O. J. Moser, Generators and Relations for Discrete Groups, 4th ed., Springer-Verlag, NY, reprinted 1984, p. 131.

Links

Table of n, a(n) for n=1..2.

Maple

q^63*(q^2-1)*(q^6-1)*(q^8-1)*(q^10-1)*(q^12-1)*(q^14-1)*(q^18-1);

Crossrefs

Cf. A178781.

Sequence in context: A105300 A292992 A008870 * A095474 A003944 A003937

Adjacent sequences: A008866 A008867 A008868 * A008870 A008871 A008872

Keyword

nonn,easy,bref,changed

Author

N. J. A. Sloane.

Status

approved