Properties

Label 8550.a
Number of curves $2$
Conductor $8550$
CM no
Rank $1$
Graph

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

Elliptic curves in class 8550.a

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
8550.a1 8550n1 \([1, -1, 0, -21492, 1217916]\) \(96386901625/18468\) \(210362062500\) \([2]\) \(23040\) \(1.1733\) \(\Gamma_0(N)\)-optimal
8550.a2 8550n2 \([1, -1, 0, -19242, 1481166]\) \(-69173457625/42633378\) \(-485620821281250\) \([2]\) \(46080\) \(1.5199\)  

Rank

sage: E.rank()
 

The elliptic curves in class 8550.a have rank \(1\).

Complex multiplication

The elliptic curves in class 8550.a do not have complex multiplication.

Modular form 8550.2.a.a

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