Properties

Label 430950j
Number of curves $2$
Conductor $430950$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("j1")
 
E.isogeny_class()
 

Elliptic curves in class 430950j

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
430950.j2 430950j1 \([1, 1, 0, -3052650, -2081155500]\) \(-41713327443241/639221760\) \(-48209396002560000000\) \([2]\) \(18966528\) \(2.5793\) \(\Gamma_0(N)\)-optimal*
430950.j1 430950j2 \([1, 1, 0, -49020650, -132124627500]\) \(172735174415217961/39657600\) \(2990932196850000000\) \([2]\) \(37933056\) \(2.9259\) \(\Gamma_0(N)\)-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 430950j1.

Rank

sage: E.rank()
 

The elliptic curves in class 430950j have rank \(1\).

Complex multiplication

The elliptic curves in class 430950j do not have complex multiplication.

Modular form 430950.2.a.j

sage: E.q_eigenform(10)
 
\(q - q^{2} - q^{3} + q^{4} + q^{6} - 2 q^{7} - q^{8} + q^{9} - 4 q^{11} - q^{12} + 2 q^{14} + q^{16} - q^{17} - q^{18} - 4 q^{19} + O(q^{20})\) 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.