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SageMath
E = EllipticCurve("et1")
E.isogeny_class()
Elliptic curves in class 422370et
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
422370.et3 | 422370et1 | \([1, -1, 1, -89957, -10476711]\) | \(-63378025803/812500\) | \(-1032069014437500\) | \([2]\) | \(3981312\) | \(1.6901\) | \(\Gamma_0(N)\)-optimal* |
422370.et2 | 422370et2 | \([1, -1, 1, -1443707, -667316211]\) | \(261984288445803/42250\) | \(53667588750750\) | \([2]\) | \(7962624\) | \(2.0367\) | \(\Gamma_0(N)\)-optimal* |
422370.et4 | 422370et3 | \([1, -1, 1, 316168, -53489861]\) | \(3774555693/3515200\) | \(-3255089526981489600\) | \([2]\) | \(11943936\) | \(2.2395\) | \(\Gamma_0(N)\)-optimal* |
422370.et1 | 422370et4 | \([1, -1, 1, -1633232, -480798341]\) | \(520300455507/193072360\) | \(178785792269458316280\) | \([2]\) | \(23887872\) | \(2.5860\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 422370et have rank \(0\).
Complex multiplication
The elliptic curves in class 422370et do not have complex multiplication.Modular form 422370.2.a.et
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.