Properties

Label 485520.w
Number of curves $2$
Conductor $485520$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("w1")
 
E.isogeny_class()
 

Elliptic curves in class 485520.w

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
485520.w1 485520w2 \([0, -1, 0, -144936, -21176640]\) \(66928147100132/47647845\) \(239712115184640\) \([2]\) \(2752512\) \(1.6948\) \(\Gamma_0(N)\)-optimal*
485520.w2 485520w1 \([0, -1, 0, -7236, -466560]\) \(-33319054928/56260575\) \(-70760500473600\) \([2]\) \(1376256\) \(1.3482\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 2 curves highlighted, and conditionally curve 485520.w1.

Rank

sage: E.rank()
 

The elliptic curves in class 485520.w have rank \(1\).

Complex multiplication

The elliptic curves in class 485520.w do not have complex multiplication.

Modular form 485520.2.a.w

sage: E.q_eigenform(10)
 
\(q - q^{3} - q^{5} - q^{7} + q^{9} + 2 q^{11} - 4 q^{13} + q^{15} + O(q^{20})\) 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.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with LMFDB labels.