A008423 Theta series of {D_7}* lattice.

1, 0, 0, 0, 14, 0, 0, 128, 84, 0, 0, 0, 280, 0, 0, 896, 574, 0, 0, 0, 840, 0, 0, 2688, 1288, 0, 0, 0, 2368, 0, 0, 5376, 3444, 0, 0, 0, 3542, 0, 0, 9856, 4424, 0, 0, 0, 7560, 0, 0, 16128, 9240, 0, 0, 0, 8456, 0, 0

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

References

• J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 120.

Links

• G. Nebe and N. J. A. Sloane, Home page for this lattice

Formula

Theta series in terms of Jacobi theta series: (theta_2)^7 + (theta_3)^7. - Sean A. Irvine, Mar 28 2018