Properties

Label 488400.bs
Number of curves $2$
Conductor $488400$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("bs1")
 
E.isogeny_class()
 

Elliptic curves in class 488400.bs

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
488400.bs1 488400bs2 \([0, -1, 0, -3920708, -2986791588]\) \(1666315860501346000/40252707\) \(161010828000000\) \([2]\) \(6635520\) \(2.2461\)  
488400.bs2 488400bs1 \([0, -1, 0, -245333, -46491588]\) \(6532108386304000/31987847133\) \(7996961783250000\) \([2]\) \(3317760\) \(1.8995\) \(\Gamma_0(N)\)-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 488400.bs1.

Rank

sage: E.rank()
 

The elliptic curves in class 488400.bs have rank \(1\).

Complex multiplication

The elliptic curves in class 488400.bs do not have complex multiplication.

Modular form 488400.2.a.bs

sage: E.q_eigenform(10)
 
\(q - q^{3} + q^{9} - q^{11} - 2 q^{13} + 4 q^{17} - 2 q^{19} + O(q^{20})\) 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.

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

Isogeny graph

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

The vertices are labelled with LMFDB labels.