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SageMath
E = EllipticCurve("k1")
E.isogeny_class()
Elliptic curves in class 76664.k
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
76664.k1 | 76664k2 | \([0, -1, 0, -55216, -4915572]\) | \(3543122/49\) | \(257475776595968\) | \([2]\) | \(405504\) | \(1.5708\) | |
76664.k2 | 76664k1 | \([0, -1, 0, -456, -206212]\) | \(-4/7\) | \(-18391126899712\) | \([2]\) | \(202752\) | \(1.2242\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 76664.k have rank \(1\).
Complex multiplication
The elliptic curves in class 76664.k do not have complex multiplication.Modular form 76664.2.a.k
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.