Properties

Label 478350.u
Number of curves $2$
Conductor $478350$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("u1")
 
E.isogeny_class()
 

Elliptic curves in class 478350.u

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
478350.u1 478350u1 \([1, -1, 1, -257486855, -1590330052353]\) \(-165745346665991446425889/10662541623558144\) \(-121453013180841984000000\) \([]\) \(110638080\) \(3.4870\) \(\Gamma_0(N)\)-optimal*
478350.u2 478350u2 \([1, -1, 1, 1770672145, 45706565761647]\) \(53900230693869615719525471/110424476261224735356024\) \(-1257803799913013001164710875000\) \([]\) \(774466560\) \(4.4600\) \(\Gamma_0(N)\)-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 478350.u1.

Rank

sage: E.rank()
 

The elliptic curves in class 478350.u have rank \(0\).

Complex multiplication

The elliptic curves in class 478350.u do not have complex multiplication.

Modular form 478350.2.a.u

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

\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.