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SageMath
E = EllipticCurve("bj1")
E.isogeny_class()
Elliptic curves in class 311696bj
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 311696.bj1 | 311696bj1 | \([0, 0, 0, -9922, 379335]\) | \(3811055616/12397\) | \(351392667472\) | \([2]\) | \(552960\) | \(1.0811\) | \(\Gamma_0(N)\)-optimal |
| 311696.bj2 | 311696bj2 | \([0, 0, 0, -5687, 705430]\) | \(-44851536/448063\) | \(-203205359703808\) | \([2]\) | \(1105920\) | \(1.4277\) |
Rank
sage: E.rank()
The elliptic curves in class 311696bj have rank \(1\).
Complex multiplication
The elliptic curves in class 311696bj do not have complex multiplication.Modular form 311696.2.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 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.
