A003848 Order of (usually) simple Chevalley group D_2(q), q = prime power.

36, 144, 3600, 3600, 28224, 254016, 129600, 435600, 1192464, 16646400, 5992704, 11696400, 36869184, 60840000, 96589584, 148352400, 221414400, 1071645696, 640494864, 1186113600, 1578631824, 2692364544

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..22.

Formula

a(n) = d(A000961(n+1),2) where d(q,n) is defined in A003837. - Sean A. Irvine, Sep 17 2015

Crossrefs

Sequence in context: A037072 A370453 A076432 * A203753 A039495 A263120

Adjacent sequences: A003845 A003846 A003847 * A003849 A003850 A003851

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved