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SageMath
E = EllipticCurve("a1")
E.isogeny_class()
Elliptic curves in class 655.a
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
655.a1 | 655a1 | \([0, 0, 1, -13, 18]\) | \(-242970624/3275\) | \(-3275\) | \([]\) | \(144\) | \(-0.51814\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curve 655.a1 has rank \(2\).
Complex multiplication
The elliptic curves in class 655.a do not have complex multiplication.Modular form 655.2.a.a
sage: E.q_eigenform(10)