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SageMath
E = EllipticCurve("dx1")
E.isogeny_class()
Elliptic curves in class 28224.dx
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 28224.dx1 | 28224dm1 | \([0, 0, 0, -85995, -9705528]\) | \(474552000/49\) | \(7261988997312\) | \([2]\) | \(73728\) | \(1.5004\) | \(\Gamma_0(N)\)-optimal |
| 28224.dx2 | 28224dm2 | \([0, 0, 0, -79380, -11261376]\) | \(-5832000/2401\) | \(-22773597495570432\) | \([2]\) | \(147456\) | \(1.8470\) |
Rank
sage: E.rank()
The elliptic curves in class 28224.dx have rank \(1\).
Complex multiplication
The elliptic curves in class 28224.dx do not have complex multiplication.Modular form 28224.2.a.dx
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.
