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SageMath
E = EllipticCurve("bd1")
E.isogeny_class()
Elliptic curves in class 474320bd
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
474320.bd4 | 474320bd1 | \([0, 1, 0, 946664, -2897181036]\) | \(109902239/4312000\) | \(-3681146072857673728000\) | \([2]\) | \(26542080\) | \(2.8180\) | \(\Gamma_0(N)\)-optimal* |
474320.bd2 | 474320bd2 | \([0, 1, 0, -25615256, -47765576300]\) | \(2177286259681/105875000\) | \(90385283038916096000000\) | \([2]\) | \(53084160\) | \(3.1646\) | \(\Gamma_0(N)\)-optimal* |
474320.bd3 | 474320bd3 | \([0, 1, 0, -8539736, 79251248404]\) | \(-80677568161/3131816380\) | \(-2673625595581710572830720\) | \([2]\) | \(79626240\) | \(3.3673\) | \(\Gamma_0(N)\)-optimal* |
474320.bd1 | 474320bd4 | \([0, 1, 0, -333923256, 2335720882900]\) | \(4823468134087681/30382271150\) | \(25937286207866303006105600\) | \([2]\) | \(159252480\) | \(3.7139\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 474320bd have rank \(0\).
Complex multiplication
The elliptic curves in class 474320bd do not have complex multiplication.Modular form 474320.2.a.bd
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.