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SageMath
E = EllipticCurve("b1")
E.isogeny_class()
Elliptic curves in class 57498.b
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
57498.b1 | 57498c2 | \([1, 1, 0, -201271, -34809719]\) | \(351447414193/344988\) | \(885144822388092\) | \([2]\) | \(612864\) | \(1.7884\) | |
57498.b2 | 57498c1 | \([1, 1, 0, -9611, -809235]\) | \(-38272753/87024\) | \(-223279775016816\) | \([2]\) | \(306432\) | \(1.4418\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 57498.b have rank \(1\).
Complex multiplication
The elliptic curves in class 57498.b do not have complex multiplication.Modular form 57498.2.a.b
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the LMFDB numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.