A284888 Number of elements of order n in the Janko group J_2

1, 2835, 17360, 6300, 28224, 75600, 86400, 75600, 0, 181440, 0, 50400, 0, 0, 80640

Offset

1,2

Comments

Also called the Hall-Janko group.

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].

Links

Table of n, a(n) for n=1..15.

ATLAS, Janko group J_2.

Crossrefs

Sequence in context: A205201 A205059 A232762 * A369597 A337830 A317472

Adjacent sequences: A284885 A284886 A284887 * A284889 A284890 A284891

Keyword

nonn,fini,full

Author

Sean A. Irvine, Apr 04 2017

Status

approved