Properties

Label 418950qf
Number of curves $2$
Conductor $418950$
CM no
Rank $0$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("qf1")
 
E.isogeny_class()
 

Elliptic curves in class 418950qf

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
418950.qf2 418950qf1 \([1, -1, 1, -16052630, -24864857503]\) \(-341370886042369/1817528220\) \(-2435661644334915937500\) \([2]\) \(38707200\) \(2.9485\) \(\Gamma_0(N)\)-optimal*
418950.qf1 418950qf2 \([1, -1, 1, -257169380, -1587301397503]\) \(1403607530712116449/39475350\) \(52900744447146093750\) \([2]\) \(77414400\) \(3.2951\) \(\Gamma_0(N)\)-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 418950qf1.

Rank

sage: E.rank()
 

The elliptic curves in class 418950qf have rank \(0\).

Complex multiplication

The elliptic curves in class 418950qf do not have complex multiplication.

Modular form 418950.2.a.qf

sage: E.q_eigenform(10)
 
\(q + q^{2} + q^{4} + q^{8} + 4 q^{11} + 6 q^{13} + q^{16} - 4 q^{17} - q^{19} + O(q^{20})\) 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.