Properties

Label 481338y
Number of curves $2$
Conductor $481338$
CM no
Rank $0$
Graph

Related objects

Downloads

Learn more

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

Elliptic curves in class 481338y

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
481338.y1 481338y1 \([1, -1, 0, -1419595557, -48728930112747]\) \(-6614510824496145219145875/17618041962927377281024\) \(-842708773022910860430400278528\) \([]\) \(559872000\) \(4.4297\) \(\Gamma_0(N)\)-optimal*
481338.y2 481338y2 \([1, -1, 0, 12379254123, 1102135303183877]\) \(6016719201015220250419125/18530931219677304938224\) \(-646166810860794229786969133170512\) \([]\) \(1679616000\) \(4.9790\) \(\Gamma_0(N)\)-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 481338y1.

Rank

sage: E.rank()
 

The elliptic curves in class 481338y have rank \(0\).

Complex multiplication

The elliptic curves in class 481338y do not have complex multiplication.

Modular form 481338.2.a.y

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

\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with Cremona labels.