Fourier Coefficients of Vector-valued Modular Forms of Dimension 2 Journal Articles uri icon

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abstract

  • AbstractWe prove the following theorem. Suppose that F = ( f1, f2) is a 2-dimensional, vectorvalued modular form on SL2() whose component functions f1, f2 have rational Fourier coefficients with bounded denominators. Then f1, f2 are classical modular forms on a congruence subgroup of the modular group.

publication date

  • September 1, 2014