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SageMath
E = EllipticCurve("t1")
E.isogeny_class()
Elliptic curves in class 320790t
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
320790.t1 | 320790t1 | \([1, 0, 1, -4348734, -2297038928]\) | \(376806661463714041/123655521818880\) | \(2984743690134221502720\) | \([2]\) | \(37158912\) | \(2.8237\) | \(\Gamma_0(N)\)-optimal |
320790.t2 | 320790t2 | \([1, 0, 1, 12505746, -15767139344]\) | \(8961052973061164039/9635727199827600\) | \(-232583030151015483104400\) | \([2]\) | \(74317824\) | \(3.1703\) |
Rank
sage: E.rank()
The elliptic curves in class 320790t have rank \(1\).
Complex multiplication
The elliptic curves in class 320790t do not have complex multiplication.Modular form 320790.2.a.t
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.