Properties

Label 259920.a
Number of curves $4$
Conductor $259920$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("a1")
 
E.isogeny_class()
 

Elliptic curves in class 259920.a

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
259920.a1 259920a3 \([0, 0, 0, -106698243, 424212949042]\) \(3825131988299044/961875\) \(33780628682375040000\) \([2]\) \(29491200\) \(3.1224\)  
259920.a2 259920a2 \([0, 0, 0, -6694023, 6575325478]\) \(3778298043856/59213025\) \(519883875421751865600\) \([2, 2]\) \(14745600\) \(2.7758\)  
259920.a3 259920a1 \([0, 0, 0, -829578, -132426713]\) \(115060504576/52780005\) \(28962666516551299920\) \([2]\) \(7372800\) \(2.4292\) \(\Gamma_0(N)\)-optimal
259920.a4 259920a4 \([0, 0, 0, -520923, 18233842138]\) \(-445138564/4089438495\) \(-143619288700720589061120\) \([2]\) \(29491200\) \(3.1224\)  

Rank

sage: E.rank()
 

The elliptic curves in class 259920.a have rank \(1\).

Complex multiplication

The elliptic curves in class 259920.a do not have complex multiplication.

Modular form 259920.2.a.a

sage: E.q_eigenform(10)
 
\(q - q^{5} - 4 q^{7} - 4 q^{11} - 2 q^{13} + 6 q^{17} + O(q^{20})\) 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.