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A031963 a(n) = number of elements of order n in simple group L_2(7) of order 168. 9
1, 21, 56, 42, 0, 0, 48 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

H. Ferguson and C. Ferguson, Eightfold way: the sculpture, pp. 133-173 in S. Levy, ed., The Eightfold Way, Cambridge, 1999. (Beware errors!)

LINKS

Table of n, a(n) for n=1..7.

Index entries for sequences related to groups

PROG

(MAGMA) t1:=[0 : n in [1..7]]; G:=PSL(2, 7); for g in G do t1[Order(g)]:=t1[Order(g)]+1; end for; t1; (see A145437 for a much better program!)

CROSSREFS

Sequence in context: A292368 A301607 A145719 * A067727 A254144 A165237

Adjacent sequences:  A031960 A031961 A031962 * A031964 A031965 A031966

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Apr 06 2009

STATUS

approved

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Last modified January 17 23:37 EST 2020. Contains 330995 sequences. (Running on oeis4.)