// Magma code for working with elliptic curve isogeny class 438080.bf // Define the isogeny class: E := EllipticCurve([0, -1, 0, -877985, -258480383]); IsogenousCurves(E); // Mordell-Weil rank: Rank(E); // q-expansion of modular form: ModularForm(E); // List of curves in the isogeny class: IsogenousCurves(E);