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SageMath
E = EllipticCurve("bb1")
E.isogeny_class()
Elliptic curves in class 9792bb
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 9792.a1 | 9792bb1 | \([0, 0, 0, -1452, -13520]\) | \(1771561/612\) | \(116955021312\) | \([2]\) | \(12288\) | \(0.82550\) | \(\Gamma_0(N)\)-optimal |
| 9792.a2 | 9792bb2 | \([0, 0, 0, 4308, -94160]\) | \(46268279/46818\) | \(-8947059130368\) | \([2]\) | \(24576\) | \(1.1721\) |
Rank
sage: E.rank()
The elliptic curves in class 9792bb have rank \(1\).
Complex multiplication
The elliptic curves in class 9792bb do not have complex multiplication.Modular form 9792.2.a.bb
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 Cremona 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 Cremona labels.
