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SageMath
E = EllipticCurve("o1")
E.isogeny_class()
Elliptic curves in class 50540o
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 50540.h2 | 50540o1 | \([0, -1, 0, -1925, 160177]\) | \(-65536/875\) | \(-10538277344000\) | \([]\) | \(85536\) | \(1.1805\) | \(\Gamma_0(N)\)-optimal |
| 50540.h1 | 50540o2 | \([0, -1, 0, -290725, 60432737]\) | \(-225637236736/1715\) | \(-20655023594240\) | \([]\) | \(256608\) | \(1.7298\) |
Rank
sage: E.rank()
The elliptic curves in class 50540o have rank \(1\).
Complex multiplication
The elliptic curves in class 50540o do not have complex multiplication.Modular form 50540.2.a.o
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.
