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SageMath
E = EllipticCurve("bf1")
E.isogeny_class()
Elliptic curves in class 66654bf
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
66654.bf2 | 66654bf1 | \([1, -1, 1, -600779, 240870107]\) | \(-5999796014211/2790817792\) | \(-11154812207644901376\) | \([]\) | \(2787840\) | \(2.3611\) | \(\Gamma_0(N)\)-optimal |
66654.bf1 | 66654bf2 | \([1, -1, 1, -53162219, 149207777947]\) | \(-5702623460245179/252448\) | \(-735580559703751776\) | \([]\) | \(8363520\) | \(2.9104\) |
Rank
sage: E.rank()
The elliptic curves in class 66654bf have rank \(1\).
Complex multiplication
The elliptic curves in class 66654bf do not have complex multiplication.Modular form 66654.2.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 Cremona numbering.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.