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SageMath
E = EllipticCurve("c1")
E.isogeny_class()
Elliptic curves in class 2480.c
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
2480.c1 | 2480l2 | \([0, 1, 0, -17056, 851700]\) | \(133974081659809/192200\) | \(787251200\) | \([2]\) | \(2304\) | \(0.97809\) | |
2480.c2 | 2480l1 | \([0, 1, 0, -1056, 13300]\) | \(-31824875809/1240000\) | \(-5079040000\) | \([2]\) | \(1152\) | \(0.63151\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 2480.c have rank \(1\).
Complex multiplication
The elliptic curves in class 2480.c do not have complex multiplication.Modular form 2480.2.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.