OFFSET
0,4
REFERENCES
Helmut Klingen, Introductory Lectures on Siegel Modular Forms, p. 123.
LINKS
N. J. A. Sloane, Notes on Two-dimensional Theta Series of Lattices (Notes on some joint work with Eric M. Rains), pages 96-115, circa Jun 08 1998, of N. J. A. Sloane's notebook "Lattices Volume 79".
FORMULA
x^20 - 120*x^14*y + 1728*x^8*y^2 + (1330587648/43867)*x^2*y^3, x = phi_0(z), y = Delta_12(z). (See A037150 for explanation and Maple code. - N. J. A. Sloane, Dec 12 2020)
CROSSREFS
KEYWORD
nonn,easy,frac
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Dec 13 2020
STATUS
approved