OFFSET
0,1
LINKS
C. J. Cummins and S. Pauli, Congruence Subgroups of PSL(2,Z)
C. J. Cummins and S. Pauli, Congruence Subgroups of PSL(2,Z) of genus less than or equal to 24, Experimental Math., 12 (2), 2003, 243-255. [Note two different references with similar titles]
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Kok Seng Chua (chuaks(AT)ihpc.a-star.edu.sg), Feb 23 2005
STATUS
approved