A278582 Numbers n such that the Shimura subgroup Sigma(n) of the Jacobi variety J_0(n) has order 2.

20, 21, 24, 32, 48, 64, 72, 96, 100, 144, 147, 199, 288, 576

Offset

1,1

References

Ling, S., and J. Oesterlé. "The Shimura subgroup of J_0(N)." Astérisque, Vol. 196-197 (1991), 171-203.

Links

Table of n, a(n) for n=1..14.

Crossrefs

Cf. A278581.

Sequence in context: A125663 A241850 A138601 * A218539 A295488 A008940

Adjacent sequences: A278579 A278580 A278581 * A278583 A278584 A278585

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Nov 30 2016

Status

approved