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SageMath
E = EllipticCurve("cn1")
E.isogeny_class()
Elliptic curves in class 84150.cn
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
84150.cn1 | 84150be2 | \([1, -1, 0, -275967, 32291941]\) | \(204055591784617/78708537864\) | \(896539439107125000\) | \([2]\) | \(1376256\) | \(2.1438\) | |
84150.cn2 | 84150be1 | \([1, -1, 0, -122967, -16209059]\) | \(18052771191337/444958272\) | \(5068352817000000\) | \([2]\) | \(688128\) | \(1.7972\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 84150.cn have rank \(0\).
Complex multiplication
The elliptic curves in class 84150.cn do not have complex multiplication.Modular form 84150.2.a.cn
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.