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SageMath
E = EllipticCurve("eg1")
E.isogeny_class()
Elliptic curves in class 431970.eg
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
431970.eg1 | 431970eg2 | \([1, 1, 1, -4559706, 3741039303]\) | \(5918043195362419129/8515734343200\) | \(15086142848773735200\) | \([2]\) | \(21504000\) | \(2.5825\) | \(\Gamma_0(N)\)-optimal* |
431970.eg2 | 431970eg1 | \([1, 1, 1, -203706, 92453703]\) | \(-527690404915129/1782829440000\) | \(-3158391105555840000\) | \([2]\) | \(10752000\) | \(2.2359\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 431970.eg have rank \(1\).
Complex multiplication
The elliptic curves in class 431970.eg do not have complex multiplication.Modular form 431970.2.a.eg
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.