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SageMath
E = EllipticCurve("cw1")
E.isogeny_class()
Elliptic curves in class 64320cw
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
64320.ch2 | 64320cw1 | \([0, 1, 0, 955, -1407]\) | \(1503484706816/890163675\) | \(-56970475200\) | \([]\) | \(69120\) | \(0.75317\) | \(\Gamma_0(N)\)-optimal |
64320.ch1 | 64320cw2 | \([0, 1, 0, -12005, 555225]\) | \(-2989967081734144/380653171875\) | \(-24361803000000\) | \([]\) | \(207360\) | \(1.3025\) |
Rank
sage: E.rank()
The elliptic curves in class 64320cw have rank \(1\).
Complex multiplication
The elliptic curves in class 64320cw do not have complex multiplication.Modular form 64320.2.a.cw
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.