Properties

Label 493680n
Number of curves $2$
Conductor $493680$
CM no
Rank $0$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("n1")
 
E.isogeny_class()
 

Elliptic curves in class 493680n

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
493680.n2 493680n1 \([0, -1, 0, 27064, 1148160]\) \(907924/765\) \(-1847121903221760\) \([2]\) \(2297856\) \(1.6170\) \(\Gamma_0(N)\)-optimal*
493680.n1 493680n2 \([0, -1, 0, -132656, 10220256]\) \(53461798/21675\) \(104670241182566400\) \([2]\) \(4595712\) \(1.9636\) \(\Gamma_0(N)\)-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 493680n1.

Rank

sage: E.rank()
 

The elliptic curves in class 493680n have rank \(0\).

Complex multiplication

The elliptic curves in class 493680n do not have complex multiplication.

Modular form 493680.2.a.n

sage: E.q_eigenform(10)
 
\(q - q^{3} - q^{5} - 2 q^{7} + q^{9} - 2 q^{13} + q^{15} + q^{17} - 4 q^{19} + O(q^{20})\) 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.