DOI QR코드

DOI QR Code

A NOTE ON VECTOR-VALUED EISENSTEIN SERIES OF WEIGHT 3/2

  • Xiong, Ran (School of Mathematical Sciences East China Normal University)
  • Received : 2020.04.23
  • Accepted : 2020.12.09
  • Published : 2021.03.31

Abstract

Vector-valued Eisenstein series of weight 3/2 are often not holomorphic. In this paper we prove that, for an even lattice Ḻ, if there exists an odd prime p such that Ḻ is local p-maximal and the determinant of Ḻ is divisible by p2, then the Eisenstein series of weight 3/2 attached to the discriminant form of Ḻ is holomorphic.

Keywords

References

  1. B. C. Berndt, R. J. Evans, and K. S. Williams, Gauss and Jacobi Sums, Canadian Mathematical Society Series of Monographs and Advanced Texts, John Wiley & Sons, Inc., New York, 1998.
  2. J. H. Bruinier, Borcherds products on O(2, l) and Chern classes of Heegner divisors, Lecture Notes in Mathematics, 1780, Springer-Verlag, Berlin, 2002. https://doi.org/10.1007/b83278
  3. J. H. Bruinier and J. Funke, On two geometric theta lifts, Duke Math. J. 125 (2004), no. 1, 45-90. https://doi.org/10.1215/S0012-7094-04-12513-8
  4. J. H. Bruinier and M. Kuss, Eisenstein series attached to lattices and modular forms on orthogonal groups, Manuscripta Math. 106 (2001), no. 4, 443-459. https://doi.org/10.1007/s229-001-8027-1
  5. J. H. Conway and N. J. A. Sloane, Sphere packings, lattices and groups, third edition, Grundlehren der Mathematischen Wissenschaften, 290, Springer-Verlag, New York, 1999. https://doi.org/10.1007/978-1-4757-6568-7
  6. J.-P. Serre, A course in arithmetic, translated from the French, Springer-Verlag, New York, 1973.
  7. F. Stromberg, Weil representations associated with finite quadratic modules, Math. Z. 275 (2013), no. 1-2, 509-527. https://doi.org/10.1007/s00209-013-1145-x
  8. B. Williams, Vector-valued Eisenstein series of small weight, Int. J. Number Theory 15 (2019), no. 2, 265-287. https://doi.org/10.1142/S1793042119500118
  9. D. Zagier, Modular forms whose Fourier coefficients involve zeta-functions of quadratic fields, in Modular functions of one variable, VI (Proc. Second Internat. Conf., Univ. Bonn, Bonn, 1976), 105-169. Lecture Notes in Math., 627, Springer, Berlin, 1977.