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SageMath
E = EllipticCurve("r1")
E.isogeny_class()
Elliptic curves in class 56550r
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
56550.r1 | 56550r1 | \([1, 0, 1, -242276, -15014302]\) | \(100654290922421809/52033093632000\) | \(813017088000000000\) | \([2]\) | \(921600\) | \(2.1287\) | \(\Gamma_0(N)\)-optimal |
56550.r2 | 56550r2 | \([1, 0, 1, 909724, -116390302]\) | \(5328847957372469711/3458851344000000\) | \(-54044552250000000000\) | \([2]\) | \(1843200\) | \(2.4752\) |
Rank
sage: E.rank()
The elliptic curves in class 56550r have rank \(0\).
Complex multiplication
The elliptic curves in class 56550r do not have complex multiplication.Modular form 56550.2.a.r
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.