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SageMath
E = EllipticCurve("a1")
E.isogeny_class()
Elliptic curves in class 180353.a
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 180353.a1 | 180353a3 | \([1, -1, 1, -962104, 363469810]\) | \(82483294977/17\) | \(20298889040993\) | \([2]\) | \(1096704\) | \(1.9407\) | |
| 180353.a2 | 180353a2 | \([1, -1, 1, -60339, 5649458]\) | \(20346417/289\) | \(345081113696881\) | \([2, 2]\) | \(548352\) | \(1.5942\) | |
| 180353.a3 | 180353a1 | \([1, -1, 1, -7294, -100620]\) | \(35937/17\) | \(20298889040993\) | \([2]\) | \(274176\) | \(1.2476\) | \(\Gamma_0(N)\)-optimal |
| 180353.a4 | 180353a4 | \([1, -1, 1, -7294, 15197558]\) | \(-35937/83521\) | \(-99728441858398609\) | \([2]\) | \(1096704\) | \(1.9407\) |
Rank
sage: E.rank()
The elliptic curves in class 180353.a have rank \(1\).
Complex multiplication
The elliptic curves in class 180353.a do not have complex multiplication.Modular form 180353.2.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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.
