Properties

Label 479808.nn
Number of curves $4$
Conductor $479808$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("nn1")
 
E.isogeny_class()
 

Elliptic curves in class 479808.nn

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
479808.nn1 479808nn4 \([0, 0, 0, -960204, -329142800]\) \(17418812548/1753941\) \(9858496333929578496\) \([2]\) \(7864320\) \(2.3807\)  
479808.nn2 479808nn2 \([0, 0, 0, -219324, 33888400]\) \(830321872/127449\) \(179090331325710336\) \([2, 2]\) \(3932160\) \(2.0341\)  
479808.nn3 479808nn1 \([0, 0, 0, -210504, 37172968]\) \(11745974272/357\) \(31353349321728\) \([2]\) \(1966080\) \(1.6876\) \(\Gamma_0(N)\)-optimal*
479808.nn4 479808nn3 \([0, 0, 0, 380436, 186707248]\) \(1083360092/3306177\) \(-18583255556385472512\) \([2]\) \(7864320\) \(2.3807\)  
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 0 curves highlighted, and conditionally curve 479808.nn1.

Rank

sage: E.rank()
 

The elliptic curves in class 479808.nn have rank \(0\).

Complex multiplication

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

Modular form 479808.2.a.nn

sage: E.q_eigenform(10)
 
\(q + 2 q^{5} - 4 q^{11} + 6 q^{13} + q^{17} + O(q^{20})\) 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 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.