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SageMath
E = EllipticCurve("ba1")
E.isogeny_class()
Elliptic curves in class 229840.ba
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 229840.ba1 | 229840j1 | \([0, 0, 0, -4732, -125229]\) | \(151732224/85\) | \(6564460240\) | \([2]\) | \(184320\) | \(0.83093\) | \(\Gamma_0(N)\)-optimal |
| 229840.ba2 | 229840j2 | \([0, 0, 0, -3887, -171366]\) | \(-5256144/7225\) | \(-8927665926400\) | \([2]\) | \(368640\) | \(1.1775\) |
Rank
sage: E.rank()
The elliptic curves in class 229840.ba have rank \(0\).
Complex multiplication
The elliptic curves in class 229840.ba do not have complex multiplication.Modular form 229840.2.a.ba
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.
