Properties

Label 481650.dz
Number of curves $2$
Conductor $481650$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("dz1")
 
E.isogeny_class()
 

Elliptic curves in class 481650.dz

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
481650.dz1 481650dz2 \([1, 0, 1, -6838251, 6882167398]\) \(468898230633769/5540400\) \(417850821618750000\) \([2]\) \(21676032\) \(2.5312\) \(\Gamma_0(N)\)-optimal*
481650.dz2 481650dz1 \([1, 0, 1, -416251, 113379398]\) \(-105756712489/12476160\) \(-940938146460000000\) \([2]\) \(10838016\) \(2.1846\) \(\Gamma_0(N)\)-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 481650.dz1.

Rank

sage: E.rank()
 

The elliptic curves in class 481650.dz have rank \(1\).

Complex multiplication

The elliptic curves in class 481650.dz do not have complex multiplication.

Modular form 481650.2.a.dz

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{3} + q^{4} - q^{6} + 2 q^{7} - q^{8} + q^{9} + 6 q^{11} + q^{12} - 2 q^{14} + q^{16} - 2 q^{17} - q^{18} + q^{19} + O(q^{20})\) 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.