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SageMath
E = EllipticCurve("bf1")
E.isogeny_class()
Elliptic curves in class 402930.bf
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
402930.bf1 | 402930bf4 | \([1, -1, 0, -11420910, -6628519980]\) | \(127568139540190201/59114336463360\) | \(76344272051118182115840\) | \([2]\) | \(52254720\) | \(3.0854\) | |
402930.bf2 | 402930bf2 | \([1, -1, 0, -5785335, 5357171925]\) | \(16581570075765001/998001000\) | \(1288886324529969000\) | \([2]\) | \(17418240\) | \(2.5361\) | \(\Gamma_0(N)\)-optimal* |
402930.bf3 | 402930bf1 | \([1, -1, 0, -340335, 94034925]\) | \(-3375675045001/999000000\) | \(-1290176501031000000\) | \([2]\) | \(8709120\) | \(2.1895\) | \(\Gamma_0(N)\)-optimal* |
402930.bf4 | 402930bf3 | \([1, -1, 0, 2518290, -782419500]\) | \(1367594037332999/995878502400\) | \(-1286145186865289625600\) | \([2]\) | \(26127360\) | \(2.7388\) |
Rank
sage: E.rank()
The elliptic curves in class 402930.bf have rank \(0\).
Complex multiplication
The elliptic curves in class 402930.bf do not have complex multiplication.Modular form 402930.2.a.bf
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.
\(\left(\begin{array}{rrrr} 1 & 3 & 6 & 2 \\ 3 & 1 & 2 & 6 \\ 6 & 2 & 1 & 3 \\ 2 & 6 & 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.