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SageMath
E = EllipticCurve("c1")
E.isogeny_class()
Elliptic curves in class 56550.c
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
56550.c1 | 56550p2 | \([1, 1, 0, -3070, 58900]\) | \(25612374554333/2305900896\) | \(288237612000\) | \([2]\) | \(122880\) | \(0.93853\) | |
56550.c2 | 56550p1 | \([1, 1, 0, -670, -5900]\) | \(266716895453/45167616\) | \(5645952000\) | \([2]\) | \(61440\) | \(0.59195\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 56550.c have rank \(1\).
Complex multiplication
The elliptic curves in class 56550.c do not have complex multiplication.Modular form 56550.2.a.c
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.