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SageMath
E = EllipticCurve("bc1")
E.isogeny_class()
Elliptic curves in class 24400.bc
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 24400.bc1 | 24400f1 | \([0, -1, 0, -2508, -47488]\) | \(436334416/305\) | \(1220000000\) | \([2]\) | \(18432\) | \(0.67999\) | \(\Gamma_0(N)\)-optimal |
| 24400.bc2 | 24400f2 | \([0, -1, 0, -2008, -67488]\) | \(-55990084/93025\) | \(-1488400000000\) | \([2]\) | \(36864\) | \(1.0266\) |
Rank
sage: E.rank()
The elliptic curves in class 24400.bc have rank \(0\).
Complex multiplication
The elliptic curves in class 24400.bc do not have complex multiplication.Modular form 24400.2.a.bc
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.
