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SageMath
E = EllipticCurve("db1")
E.isogeny_class()
Elliptic curves in class 48400db
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 48400.df2 | 48400db1 | \([0, -1, 0, -388208, 48254912]\) | \(18865/8\) | \(2743793676800000000\) | \([]\) | \(760320\) | \(2.2347\) | \(\Gamma_0(N)\)-optimal |
| 48400.df1 | 48400db2 | \([0, -1, 0, -27008208, 54033614912]\) | \(6352571665/2\) | \(685948419200000000\) | \([]\) | \(2280960\) | \(2.7840\) |
Rank
sage: E.rank()
The elliptic curves in class 48400db have rank \(0\).
Complex multiplication
The elliptic curves in class 48400db do not have complex multiplication.Modular form 48400.2.a.db
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 Cremona numbering.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.
