Properties

Label 487872nq
Number of curves $2$
Conductor $487872$
CM no
Rank $0$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("nq1")
 
E.isogeny_class()
 

Elliptic curves in class 487872nq

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
487872.nq2 487872nq1 \([0, 0, 0, 207636, -64420400]\) \(8788/21\) \(-2365706810262749184\) \([2]\) \(5406720\) \(2.2096\) \(\Gamma_0(N)\)-optimal*
487872.nq1 487872nq2 \([0, 0, 0, -1709004, -713778032]\) \(2450086/441\) \(99359686031035465728\) \([2]\) \(10813440\) \(2.5562\) \(\Gamma_0(N)\)-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 487872nq1.

Rank

sage: E.rank()
 

The elliptic curves in class 487872nq have rank \(0\).

Complex multiplication

The elliptic curves in class 487872nq do not have complex multiplication.

Modular form 487872.2.a.nq

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

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

Isogeny graph

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

The vertices are labelled with Cremona labels.