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SageMath
E = EllipticCurve("e1")
E.isogeny_class()
Elliptic curves in class 6630e
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
6630.e3 | 6630e1 | \([1, 1, 0, -587, 5229]\) | \(22428153804601/35802000\) | \(35802000\) | \([2]\) | \(5376\) | \(0.34711\) | \(\Gamma_0(N)\)-optimal |
6630.e2 | 6630e2 | \([1, 1, 0, -767, 1521]\) | \(50002789171321/27473062500\) | \(27473062500\) | \([2, 2]\) | \(10752\) | \(0.69369\) | |
6630.e1 | 6630e3 | \([1, 1, 0, -7397, -246441]\) | \(44769506062996441/323730468750\) | \(323730468750\) | \([2]\) | \(21504\) | \(1.0403\) | |
6630.e4 | 6630e4 | \([1, 1, 0, 2983, 15771]\) | \(2933972022568679/1789082460750\) | \(-1789082460750\) | \([2]\) | \(21504\) | \(1.0403\) |
Rank
sage: E.rank()
The elliptic curves in class 6630e have rank \(2\).
Complex multiplication
The elliptic curves in class 6630e do not have complex multiplication.Modular form 6630.2.a.e
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.