Properties

Label 429429bc
Number of curves $2$
Conductor $429429$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("bc1")
 
E.isogeny_class()
 

Elliptic curves in class 429429bc

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
429429.bc2 429429bc1 \([1, 0, 0, -567564, 164533095]\) \(-6914490272402831/141776649\) \(-414584269442343\) \([2]\) \(3041280\) \(1.9243\) \(\Gamma_0(N)\)-optimal*
429429.bc1 429429bc2 \([1, 0, 0, -9081069, 10532279484]\) \(28322170269781231871/11907\) \(34818532749\) \([2]\) \(6082560\) \(2.2709\) \(\Gamma_0(N)\)-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 429429bc1.

Rank

sage: E.rank()
 

The elliptic curves in class 429429bc have rank \(1\).

Complex multiplication

The elliptic curves in class 429429bc do not have complex multiplication.

Modular form 429429.2.a.bc

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{3} - q^{4} - 2 q^{5} - q^{6} - q^{7} + 3 q^{8} + q^{9} + 2 q^{10} - q^{12} + q^{14} - 2 q^{15} - q^{16} - 2 q^{17} - q^{18} + 4 q^{19} + O(q^{20})\) 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.