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SageMath
E = EllipticCurve("a1")
E.isogeny_class()
Elliptic curves in class 2736.a
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 2736.a1 | 2736h1 | \([0, 0, 0, -147, 610]\) | \(470596/57\) | \(42550272\) | \([2]\) | \(1280\) | \(0.19438\) | \(\Gamma_0(N)\)-optimal |
| 2736.a2 | 2736h2 | \([0, 0, 0, 213, 3130]\) | \(715822/3249\) | \(-4850731008\) | \([2]\) | \(2560\) | \(0.54096\) |
Rank
sage: E.rank()
The elliptic curves in class 2736.a have rank \(2\).
Complex multiplication
The elliptic curves in class 2736.a do not have complex multiplication.Modular form 2736.2.a.a
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.
