// Magma code for working with elliptic curve isogeny class 233730.cx // Define the isogeny class: E := EllipticCurve([1, -1, 1, -305949713, -2059692844233]); IsogenousCurves(E); // Mordell-Weil rank: Rank(E); // q-expansion of modular form: ModularForm(E); // List of curves in the isogeny class: IsogenousCurves(E);