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SageMath
E = EllipticCurve("it1")
E.isogeny_class()
Elliptic curves in class 430950it
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
430950.it4 | 430950it1 | \([1, 0, 0, 3950287, 2377923417]\) | \(90391899763439/84690294000\) | \(-6387248020185093750000\) | \([2]\) | \(34062336\) | \(2.8712\) | \(\Gamma_0(N)\)-optimal* |
430950.it3 | 430950it2 | \([1, 0, 0, -20470213, 21450333917]\) | \(12577973014374481/4642947562500\) | \(350165954393797851562500\) | \([2, 2]\) | \(68124672\) | \(3.2178\) | \(\Gamma_0(N)\)-optimal* |
430950.it1 | 430950it3 | \([1, 0, 0, -289813963, 1898506927667]\) | \(35694515311673154481/10400566692750\) | \(784399201838530230468750\) | \([2]\) | \(136249344\) | \(3.5644\) | \(\Gamma_0(N)\)-optimal* |
430950.it2 | 430950it4 | \([1, 0, 0, -141854463, -634874305833]\) | \(4185743240664514801/113629394531250\) | \(8569802877937316894531250\) | \([2]\) | \(136249344\) | \(3.5644\) |
Rank
sage: E.rank()
The elliptic curves in class 430950it have rank \(1\).
Complex multiplication
The elliptic curves in class 430950it do not have complex multiplication.Modular form 430950.2.a.it
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.