Properties

Label 422331w
Number of curves $2$
Conductor $422331$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("w1")
 
E.isogeny_class()
 

Elliptic curves in class 422331w

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
422331.w2 422331w1 \([1, 0, 0, -764, 25479]\) \(-29791/153\) \(-253306109511\) \([2]\) \(552960\) \(0.87245\) \(\Gamma_0(N)\)-optimal*
422331.w1 422331w2 \([1, 0, 0, -18509, 965964]\) \(423564751/867\) \(1435401287229\) \([2]\) \(1105920\) \(1.2190\) \(\Gamma_0(N)\)-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 422331w1.

Rank

sage: E.rank()
 

The elliptic curves in class 422331w have rank \(0\).

Complex multiplication

The elliptic curves in class 422331w do not have complex multiplication.

Modular form 422331.2.a.w

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{3} - q^{4} - 2 q^{5} - q^{6} + 3 q^{8} + q^{9} + 2 q^{10} + 6 q^{11} - q^{12} - 2 q^{15} - q^{16} + q^{17} - q^{18} - 2 q^{19} + O(q^{20})\) 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.