Properties

Label 458640du
Number of curves $4$
Conductor $458640$
CM no
Rank $1$
Graph

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Show commands: 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 \([0, 0, 0, -610545243, -5806639863542]\) \(71647584155243142409/10140000\) \(3562162040586240000\) \([2]\) \(70778880\) \(3.4127\)  
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 3 curves highlighted, and conditionally curve 458640du1.

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)
 
\(q - q^{5} + q^{13} - 2 q^{17} + 4 q^{19} + O(q^{20})\) Copy content Toggle raw display

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.