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SageMath
E = EllipticCurve("w1")
E.isogeny_class()
Elliptic curves in class 1950.w
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
1950.w1 | 1950v4 | \([1, 0, 0, -518488, 143656592]\) | \(986551739719628473/111045168\) | \(1735080750000\) | \([2]\) | \(20480\) | \(1.7728\) | |
1950.w2 | 1950v3 | \([1, 0, 0, -58488, -1851408]\) | \(1416134368422073/725251155408\) | \(11332049303250000\) | \([2]\) | \(20480\) | \(1.7728\) | |
1950.w3 | 1950v2 | \([1, 0, 0, -32488, 2230592]\) | \(242702053576633/2554695936\) | \(39917124000000\) | \([2, 2]\) | \(10240\) | \(1.4262\) | |
1950.w4 | 1950v1 | \([1, 0, 0, -488, 86592]\) | \(-822656953/207028224\) | \(-3234816000000\) | \([2]\) | \(5120\) | \(1.0796\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 1950.w have rank \(1\).
Complex multiplication
The elliptic curves in class 1950.w do not have complex multiplication.Modular form 1950.2.a.w
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.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.