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SageMath
E = EllipticCurve("ej1")
E.isogeny_class()
Elliptic curves in class 286650ej
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
286650.ej4 | 286650ej1 | \([1, -1, 0, -2574567, 1588568841]\) | \(1408317602329/2153060\) | \(2885306320004062500\) | \([2]\) | \(7962624\) | \(2.4418\) | \(\Gamma_0(N)\)-optimal |
286650.ej3 | 286650ej2 | \([1, -1, 0, -3346317, 558282591]\) | \(3092354182009/1689383150\) | \(2263934994660330468750\) | \([2]\) | \(15925248\) | \(2.7884\) | |
286650.ej2 | 286650ej3 | \([1, -1, 0, -10457442, -11463322284]\) | \(94376601570889/12235496000\) | \(16396734850484625000000\) | \([2]\) | \(23887872\) | \(2.9911\) | |
286650.ej1 | 286650ej4 | \([1, -1, 0, -161720442, -791526613284]\) | \(349046010201856969/7245875000\) | \(9710165500013671875000\) | \([2]\) | \(47775744\) | \(3.3377\) |
Rank
sage: E.rank()
The elliptic curves in class 286650ej have rank \(2\).
Complex multiplication
The elliptic curves in class 286650ej do not have complex multiplication.Modular form 286650.2.a.ej
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.