|
| |
|
|
A091403
|
|
Numbers n such that genus of group Gamma_0(n) is 1.
|
|
3
| |
|
|
11, 14, 15, 17, 19, 20, 21, 24, 27, 32, 36, 49
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| I assume it is known that there are no further terms? A reference for this would be nice.
Available conductors for modular elliptic curves genus 1. [From Artur Jasinski (grafix(AT)csl.pl), Jun 24 2010]
|
|
|
REFERENCES
| B. Schoeneberg, Elliptic Modular Functions, Springer-Verlag, NY, 1974, p. 103.
G. Shimura, Introduction to the Arithmetic Theory of Automorphic Functions, Princeton, 1971, see Prop. 1.40 and 1.43.
|
|
|
FORMULA
| Numbers n such that A001617(n) = 1.
|
|
|
CROSSREFS
| Cf. A001617, A001615, A000089, A000086, A001616, A091401, A091404.
Sequence in context: A132991 A031167 A005788 * A061743 A038630 A025058
Adjacent sequences: A091400 A091401 A091402 * A091404 A091405 A091406
|
|
|
KEYWORD
| nonn,fini,full
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Mar 02 2004
|
| |
|
|
