Properties

Label 479808.dw
Number of curves $4$
Conductor $479808$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("dw1")
 
E.isogeny_class()
 

Elliptic curves in class 479808.dw

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
479808.dw1 479808dw3 \([0, 0, 0, -2244396, 1294163696]\) \(444893916104/9639\) \(27089293813972992\) \([2]\) \(5505024\) \(2.2696\) \(\Gamma_0(N)\)-optimal*
479808.dw2 479808dw2 \([0, 0, 0, -145236, 18714080]\) \(964430272/127449\) \(44772582831427584\) \([2, 2]\) \(2752512\) \(1.9230\) \(\Gamma_0(N)\)-optimal*
479808.dw3 479808dw1 \([0, 0, 0, -37191, -2462740]\) \(1036433728/122451\) \(672137426084544\) \([2]\) \(1376256\) \(1.5764\) \(\Gamma_0(N)\)-optimal*
479808.dw4 479808dw4 \([0, 0, 0, 225204, 98580944]\) \(449455096/1753941\) \(-4929248166964789248\) \([2]\) \(5505024\) \(2.2696\)  
*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 479808.dw1.

Rank

sage: E.rank()
 

The elliptic curves in class 479808.dw have rank \(1\).

Complex multiplication

The elliptic curves in class 479808.dw do not have complex multiplication.

Modular form 479808.2.a.dw

sage: E.q_eigenform(10)
 
\(q - 2 q^{5} - 2 q^{13} - q^{17} + 8 q^{19} + O(q^{20})\) 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 LMFDB 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 LMFDB labels.