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SageMath
E = EllipticCurve("e1")
E.isogeny_class()
Elliptic curves in class 154560.e
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
154560.e1 | 154560hu3 | \([0, -1, 0, -687041, 219419841]\) | \(273629163383866082/26408025\) | \(3461352652800\) | \([2]\) | \(1310720\) | \(1.8398\) | |
154560.e2 | 154560hu4 | \([0, -1, 0, -76161, -2532735]\) | \(372749784765122/194143359375\) | \(25446758400000000\) | \([2]\) | \(1310720\) | \(1.8398\) | |
154560.e3 | 154560hu2 | \([0, -1, 0, -43041, 3422241]\) | \(134555337776164/1312250625\) | \(85999656960000\) | \([2, 2]\) | \(655360\) | \(1.4932\) | |
154560.e4 | 154560hu1 | \([0, -1, 0, -721, 129745]\) | \(-2533446736/440749575\) | \(-7221241036800\) | \([2]\) | \(327680\) | \(1.1467\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 154560.e have rank \(2\).
Complex multiplication
The elliptic curves in class 154560.e do not have complex multiplication.Modular form 154560.2.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 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.