// Magma code for working with elliptic curve isogeny class 258570.ef // Define the isogeny class: E := EllipticCurve([1, -1, 1, -10024911009158, 12217124280120623777]); IsogenousCurves(E); // Mordell-Weil rank: Rank(E); // q-expansion of modular form: ModularForm(E); // List of curves in the isogeny class: IsogenousCurves(E);