Properties

Label 422370cw
Number of curves $4$
Conductor $422370$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("cw1")
 
E.isogeny_class()
 

Elliptic curves in class 422370cw

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
422370.cw4 422370cw1 \([1, -1, 0, -937404, 577349968]\) \(-2656166199049/2658140160\) \(-91164763777888419840\) \([2]\) \(17694720\) \(2.5256\) \(\Gamma_0(N)\)-optimal*
422370.cw3 422370cw2 \([1, -1, 0, -17572284, 28347618640]\) \(17496824387403529/6580454400\) \(225686207204049945600\) \([2, 2]\) \(35389440\) \(2.8722\) \(\Gamma_0(N)\)-optimal*
422370.cw1 422370cw3 \([1, -1, 0, -281131164, 1814380724848]\) \(71647584155243142409/10140000\) \(347765975104860000\) \([2]\) \(70778880\) \(3.2188\) \(\Gamma_0(N)\)-optimal*
422370.cw2 422370cw4 \([1, -1, 0, -20171484, 19412088880]\) \(26465989780414729/10571870144160\) \(362577586722461465415840\) \([2]\) \(70778880\) \(3.2188\)  
*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 422370cw1.

Rank

sage: E.rank()
 

The elliptic curves in class 422370cw have rank \(1\).

Complex multiplication

The elliptic curves in class 422370cw do not have complex multiplication.

Modular form 422370.2.a.cw

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{4} + q^{5} + 4 q^{7} - q^{8} - q^{10} + q^{13} - 4 q^{14} + q^{16} + 2 q^{17} + O(q^{20})\) 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.