// Magma code for working with elliptic curve isogeny class 60990.bj // Define the isogeny class: E := EllipticCurve([1, 0, 0, -421787775, -3334214618343]); IsogenousCurves(E); // Mordell-Weil rank: Rank(E); // q-expansion of modular form: ModularForm(E); // List of curves in the isogeny class: IsogenousCurves(E);