2,1

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

J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985, p. xvi.

q^36*(q^2-1)*(q^5-1)*(q^6-1)*(q^8-1)*(q^9-1)*(q^12-1);

Sequence in context: A003942 A003935 A008872 this_sequence A008915 A003813 A003806

Adjacent sequences: A008868 A008869 A008870 this_sequence A008872 A008873 A008874

nonn

njas