Properties

Label 221760.nx
Number of curves $2$
Conductor $221760$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("nx1")
 
E.isogeny_class()
 

Elliptic curves in class 221760.nx

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
221760.nx1 221760ic2 \([0, 0, 0, -964452, 6892234634]\) \(-2126464142970105856/438611057788643355\) \(-20463837512186944370880\) \([]\) \(19200000\) \(2.9604\)  
221760.nx2 221760ic1 \([0, 0, 0, -321852, -82303846]\) \(-79028701534867456/16987307596875\) \(-792559823239800000\) \([]\) \(3840000\) \(2.1556\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 221760.nx have rank \(1\).

Complex multiplication

The elliptic curves in class 221760.nx do not have complex multiplication.

Modular form 221760.2.a.nx

sage: E.q_eigenform(10)
 
\(q + q^{5} + q^{7} + q^{11} + 6 q^{13} + 7 q^{17} + 5 q^{19} + O(q^{20})\) 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 LMFDB numbering.

\(\left(\begin{array}{rr} 1 & 5 \\ 5 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.