Properties

Label 424830.l
Number of curves $2$
Conductor $424830$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("l1")
 
E.isogeny_class()
 

Elliptic curves in class 424830.l

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
424830.l1 424830l2 \([1, 1, 0, -7342773, -5644934763]\) \(15417797707369/4080067320\) \(11586415462247257516920\) \([2]\) \(31850496\) \(2.9423\) \(\Gamma_0(N)\)-optimal*
424830.l2 424830l1 \([1, 1, 0, 1153827, -569065923]\) \(59822347031/83966400\) \(-238444495878866558400\) \([2]\) \(15925248\) \(2.5957\) \(\Gamma_0(N)\)-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 424830.l1.

Rank

sage: E.rank()
 

The elliptic curves in class 424830.l have rank \(2\).

Complex multiplication

The elliptic curves in class 424830.l do not have complex multiplication.

Modular form 424830.2.a.l

sage: E.q_eigenform(10)
 
\(q - q^{2} - q^{3} + q^{4} - q^{5} + q^{6} - q^{8} + q^{9} + q^{10} - 2 q^{11} - q^{12} + 2 q^{13} + q^{15} + q^{16} - q^{18} + 4 q^{19} + O(q^{20})\) 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 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.