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SageMath
E = EllipticCurve("bj1")
E.isogeny_class()
Elliptic curves in class 257600.bj
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
257600.bj1 | 257600bj2 | \([0, 1, 0, -22433, 1079263]\) | \(304821217/51842\) | \(212344832000000\) | \([2]\) | \(1179648\) | \(1.4698\) | |
257600.bj2 | 257600bj1 | \([0, 1, 0, -6433, -184737]\) | \(7189057/644\) | \(2637824000000\) | \([2]\) | \(589824\) | \(1.1232\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 257600.bj have rank \(0\).
Complex multiplication
The elliptic curves in class 257600.bj do not have complex multiplication.Modular form 257600.2.a.bj
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.