Properties

Label 489762.dp
Number of curves $2$
Conductor $489762$
CM no
Rank $0$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("dp1")
 
E.isogeny_class()
 

Elliptic curves in class 489762.dp

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
489762.dp1 489762dp2 \([1, -1, 1, -264686, -52282915]\) \(582810602977/829472\) \(2918699424924192\) \([2]\) \(4147200\) \(1.8704\)  
489762.dp2 489762dp1 \([1, -1, 1, -21326, -301219]\) \(304821217/164864\) \(580114171413504\) \([2]\) \(2073600\) \(1.5239\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 0 curves highlighted, and conditionally curve 489762.dp1.

Rank

sage: E.rank()
 

The elliptic curves in class 489762.dp have rank \(0\).

Complex multiplication

The elliptic curves in class 489762.dp do not have complex multiplication.

Modular form 489762.2.a.dp

sage: E.q_eigenform(10)
 
\(q + q^{2} + q^{4} - 2 q^{5} + q^{7} + q^{8} - 2 q^{10} - 2 q^{11} + q^{14} + q^{16} + 6 q^{17} + O(q^{20})\) 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.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.