Properties

Label 479808k
Number of curves $2$
Conductor $479808$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("k1")
 
E.isogeny_class()
 

Elliptic curves in class 479808k

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
479808.k2 479808k1 \([0, 0, 0, 888468, 62535760]\) \(3449795831/2071552\) \(-46574856959372034048\) \([2]\) \(17694720\) \(2.4632\) \(\Gamma_0(N)\)-optimal*
479808.k1 479808k2 \([0, 0, 0, -3627372, 505088080]\) \(234770924809/130960928\) \(2944404238400300777472\) \([2]\) \(35389440\) \(2.8098\) \(\Gamma_0(N)\)-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 479808k1.

Rank

sage: E.rank()
 

The elliptic curves in class 479808k have rank \(0\).

Complex multiplication

The elliptic curves in class 479808k do not have complex multiplication.

Modular form 479808.2.a.k

sage: E.q_eigenform(10)
 
\(q - 4 q^{5} + 4 q^{11} - 4 q^{13} - q^{17} + 6 q^{19} + O(q^{20})\) 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.