Properties

Label 494190.bo
Number of curves $4$
Conductor $494190$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("bo1")
 
E.isogeny_class()
 

Elliptic curves in class 494190.bo

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
494190.bo1 494190bo4 \([1, -1, 0, -1280940534, -17645488463952]\) \(13209596798923694545921/92340\) \(1624841215544340\) \([2]\) \(157286400\) \(3.4534\)  
494190.bo2 494190bo3 \([1, -1, 0, -81047214, -268538123880]\) \(3345930611358906241/165622259047500\) \(2914336936451586129547500\) \([2]\) \(157286400\) \(3.4534\) \(\Gamma_0(N)\)-optimal*
494190.bo3 494190bo2 \([1, -1, 0, -80058834, -275695378812]\) \(3225005357698077121/8526675600\) \(150037837843364355600\) \([2, 2]\) \(78643200\) \(3.1068\) \(\Gamma_0(N)\)-optimal*
494190.bo4 494190bo1 \([1, -1, 0, -4941954, -4418278380]\) \(-758575480593601/40535043840\) \(-713266297434792195840\) \([2]\) \(39321600\) \(2.7603\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 0 curves highlighted, and conditionally curve 494190.bo1.

Rank

sage: E.rank()
 

The elliptic curves in class 494190.bo have rank \(0\).

Complex multiplication

The elliptic curves in class 494190.bo do not have complex multiplication.

Modular form 494190.2.a.bo

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{4} + q^{5} - 4 q^{7} - q^{8} - q^{10} - 6 q^{13} + 4 q^{14} + q^{16} + q^{19} + O(q^{20})\) 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.

\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.