Properties

Label 206910.y
Number of curves $2$
Conductor $206910$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("y1")
 
E.isogeny_class()
 

Elliptic curves in class 206910.y

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
206910.y1 206910fd2 \([1, -1, 0, -434715, 61389125]\) \(260549802603/104256800\) \(3635396579261858400\) \([2]\) \(5376000\) \(2.2596\)  
206910.y2 206910fd1 \([1, -1, 0, 88005, 6921701]\) \(2161700757/1848320\) \(-64450244064476160\) \([2]\) \(2688000\) \(1.9130\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 206910.y have rank \(0\).

Complex multiplication

The elliptic curves in class 206910.y do not have complex multiplication.

Modular form 206910.2.a.y

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{4} - q^{5} + 2 q^{7} - q^{8} + q^{10} + 4 q^{13} - 2 q^{14} + q^{16} + 6 q^{17} - q^{19} + O(q^{20})\) 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.