THE ANALYTIC RANK OF J0(q) AND ZEROS OF AUTOMORPHIC L-FUNCTIONS
نویسنده
چکیده
We study zeros of the L-functions L(f, s) of primitive weight two forms of level q. Our main result is that, on average over forms f of level q prime, the order of the L-functions at the central critical point s = 1 2 is absolutely bounded. On the Birch and Swinnerton-Dyer conjecture, this provides an upper bound for the rank of the Jacobian J0(q) of the modular curve X0(q), which is of the same order of magnitude as what is expected to be true.
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