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SageMath
E = EllipticCurve("z1")
E.isogeny_class()
Elliptic curves in class 4650.z
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
4650.z1 | 4650bg2 | \([1, 1, 1, -223, 1181]\) | \(9814089221/69192\) | \(8649000\) | \([2]\) | \(1152\) | \(0.16379\) | |
4650.z2 | 4650bg1 | \([1, 1, 1, -23, -19]\) | \(10793861/5952\) | \(744000\) | \([2]\) | \(576\) | \(-0.18279\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 4650.z have rank \(1\).
Complex multiplication
The elliptic curves in class 4650.z do not have complex multiplication.Modular form 4650.2.a.z
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.