Properties

Label 422370et
Number of curves $4$
Conductor $422370$
CM no
Rank $0$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("et1")
 
E.isogeny_class()
 

Elliptic curves in class 422370et

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
422370.et3 422370et1 \([1, -1, 1, -89957, -10476711]\) \(-63378025803/812500\) \(-1032069014437500\) \([2]\) \(3981312\) \(1.6901\) \(\Gamma_0(N)\)-optimal*
422370.et2 422370et2 \([1, -1, 1, -1443707, -667316211]\) \(261984288445803/42250\) \(53667588750750\) \([2]\) \(7962624\) \(2.0367\) \(\Gamma_0(N)\)-optimal*
422370.et4 422370et3 \([1, -1, 1, 316168, -53489861]\) \(3774555693/3515200\) \(-3255089526981489600\) \([2]\) \(11943936\) \(2.2395\) \(\Gamma_0(N)\)-optimal*
422370.et1 422370et4 \([1, -1, 1, -1633232, -480798341]\) \(520300455507/193072360\) \(178785792269458316280\) \([2]\) \(23887872\) \(2.5860\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 4 curves highlighted, and conditionally curve 422370et1.

Rank

sage: E.rank()
 

The elliptic curves in class 422370et have rank \(0\).

Complex multiplication

The elliptic curves in class 422370et do not have complex multiplication.

Modular form 422370.2.a.et

sage: E.q_eigenform(10)
 
\(q + q^{2} + q^{4} + q^{5} - 4 q^{7} + q^{8} + q^{10} - q^{13} - 4 q^{14} + q^{16} + 6 q^{17} + O(q^{20})\) 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.

\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.