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SageMath
E = EllipticCurve("ba1")
E.isogeny_class()
Elliptic curves in class 389376.ba
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
389376.ba1 | 389376ba2 | \([0, 0, 0, -141960, 20528768]\) | \(2744000/9\) | \(1037719760044032\) | \([2]\) | \(2211840\) | \(1.7466\) | |
389376.ba2 | 389376ba1 | \([0, 0, 0, -5070, 597584]\) | \(-8000/81\) | \(-145929341256192\) | \([2]\) | \(1105920\) | \(1.4001\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 389376.ba have rank \(1\).
Complex multiplication
The elliptic curves in class 389376.ba do not have complex multiplication.Modular form 389376.2.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.