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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 79968y
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 79968.bs2 | 79968y1 | \([0, 1, 0, 71426, -142864]\) | \(5352028359488/3098832471\) | \(-23332770648363456\) | \([2]\) | \(552960\) | \(1.8302\) | \(\Gamma_0(N)\)-optimal |
| 79968.bs1 | 79968y2 | \([0, 1, 0, -285784, -1428820]\) | \(42852953779784/24786408969\) | \(1493041269142467072\) | \([2]\) | \(1105920\) | \(2.1768\) |
Rank
sage: E.rank()
The elliptic curves in class 79968y have rank \(1\).
Complex multiplication
The elliptic curves in class 79968y do not have complex multiplication.Modular form 79968.2.a.y
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.
