Some observations on the arithmetic of Eisenstein series for the modular group SL(2, \Bbb Z) |
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Authors: | E-U Gekeler |
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Institution: | Fachrichtung 6.1 - Mathematik, Universit?t des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, gekeler@math.uni-sb.de, DE
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Abstract: | For even integers k\geqq4k\geqq4, let jk(X)\varphi_k(X) be the separable rational polynomial that encodes the j-invariants of non-elliptic zeroes of the Eisenstein series Ek for the modular group SL(2,Bbb Z)(2,{Bbb Z}). We prove Kummer-type congruence properties for the jk\varphi_k and, based on extensive calculations, make observations about the Galois group, the discriminant, and the distribution of zeroes of jk(X)\varphi_k(X). |
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