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Ellipsa - http://www.ellipsa.net/
Includes Primo, an implementation of ECPP, and CPG, class polynomial builder. |
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Heegner Tools - http://www.math.mcgill.ca/darmon/programs/heegner/heegner.html
Peter Green's Heegner Points package. Requires Linux and Pari/GP 2.1.1 or higher. |
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Periods of Hilbert Modular Forms - http://www.math.mcgill.ca/darmon/programs/logan/logan.html
A package of PARI programs (v.2.1.1 or higher) for calculations described in "Periods of Hilbert modular forms and rational points on elliptic curves" by H. Darmon and A. Logan. |
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TECC - http://matha.e-one.uec.ac.jp/~kida/TECC.html
Tiny Elliptic Curve Calculator, by Masanari Kida. Requires KASH 2.2. |
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Modular Forms Software - http://modular.fas.harvard.edu/Tables/software.html
HECKE can be used to compute basis of q-expansions and Hecke operators on fairly general spaces of modular forms. |