Properties

Label 489762q
Number of curves $2$
Conductor $489762$
CM no
Rank $1$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("q1")
 
E.isogeny_class()
 

Elliptic curves in class 489762q

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
489762.q2 489762q1 \([1, -1, 0, 12485097, 22065876301]\) \(61166244013918343/95191642950768\) \(-334954999732354530158448\) \([2]\) \(72253440\) \(3.1993\) \(\Gamma_0(N)\)-optimal*
489762.q1 489762q2 \([1, -1, 0, -83611683, 223657701385]\) \(18371176467862382137/4491266165663004\) \(15803614799417087753518044\) \([2]\) \(144506880\) \(3.5459\) \(\Gamma_0(N)\)-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 489762q1.

Rank

sage: E.rank()
 

The elliptic curves in class 489762q have rank \(1\).

Complex multiplication

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

Modular form 489762.2.a.q

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