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SageMath
E = EllipticCurve("ca1")
E.isogeny_class()
Elliptic curves in class 112896.ca
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 112896.ca1 | 112896bh1 | \([0, 0, 0, -10290, 400624]\) | \(2744000/9\) | \(395210285568\) | \([2]\) | \(147456\) | \(1.0905\) | \(\Gamma_0(N)\)-optimal |
| 112896.ca2 | 112896bh2 | \([0, 0, 0, -5880, 746368]\) | \(-8000/81\) | \(-227641124487168\) | \([2]\) | \(294912\) | \(1.4371\) |
Rank
sage: E.rank()
The elliptic curves in class 112896.ca have rank \(1\).
Complex multiplication
The elliptic curves in class 112896.ca do not have complex multiplication.Modular form 112896.2.a.ca
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.
