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Original Article

Computing Central Values of Twisted L-Series: The Case of Composite Levels

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Pages 459-471 | Published online: 30 Jan 2011
 

Abstract

We describe a general method to compute weight- modular forms "associated" with a given weight-2 modular form ƒ of level N, and relate its Fourier coefficients to central values of quadratic twists (real and imaginary) of L(ƒ, s). We will focus on examples for levels N = 27, N = 15, and N = 75.

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