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SageMath
E = EllipticCurve("bd1")
E.isogeny_class()
Elliptic curves in class 363726.bd
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
363726.bd1 | 363726bd2 | \([1, -1, 0, -8305281, 9088302757]\) | \(49057238215631017/773195636664\) | \(998557398522118015416\) | \([2]\) | \(21934080\) | \(2.8300\) | |
363726.bd2 | 363726bd1 | \([1, -1, 0, -1030761, -183800435]\) | \(93780867197737/42939243072\) | \(55454657040593160768\) | \([2]\) | \(10967040\) | \(2.4834\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 363726.bd have rank \(2\).
Complex multiplication
The elliptic curves in class 363726.bd do not have complex multiplication.Modular form 363726.2.a.bd
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.