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SageMath
E = EllipticCurve("du1")
E.isogeny_class()
Elliptic curves in class 458640du
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
458640.du4 | 458640du1 | \([0, 0, 0, -2035803, -1847039222]\) | \(-2656166199049/2658140160\) | \(-933799405967439298560\) | \([2]\) | \(17694720\) | \(2.7195\) | \(\Gamma_0(N)\)-optimal* |
458640.du3 | 458640du2 | \([0, 0, 0, -38162523, -90711545078]\) | \(17496824387403529/6580454400\) | \(2311700677858846310400\) | \([2, 2]\) | \(35389440\) | \(3.0661\) | \(\Gamma_0(N)\)-optimal* |
458640.du2 | 458640du3 | \([0, 0, 0, -43807323, -62111601398]\) | \(26465989780414729/10571870144160\) | \(3713877172143366157762560\) | \([2]\) | \(70778880\) | \(3.4127\) | \(\Gamma_0(N)\)-optimal* |
458640.du1 | 458640du4 | \([0, 0, 0, -610545243, -5806639863542]\) | \(71647584155243142409/10140000\) | \(3562162040586240000\) | \([2]\) | \(70778880\) | \(3.4127\) |
Rank
sage: E.rank()
The elliptic curves in class 458640du have rank \(1\).
Complex multiplication
The elliptic curves in class 458640du do not have complex multiplication.Modular form 458640.2.a.du
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.