Properties

Label 450840.bh
Number of curves $4$
Conductor $450840$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("bh1")
 
E.isogeny_class()
 

Elliptic curves in class 450840.bh

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
450840.bh1 450840bh4 \([0, -1, 0, -478680, -126831300]\) \(490757540836/2142075\) \(52945390710451200\) \([2]\) \(7077888\) \(2.0619\)  
450840.bh2 450840bh2 \([0, -1, 0, -45180, 270900]\) \(1650587344/950625\) \(5874118791840000\) \([2, 2]\) \(3538944\) \(1.7154\)  
450840.bh3 450840bh1 \([0, -1, 0, -32175, 2226852]\) \(9538484224/26325\) \(10166744062800\) \([2]\) \(1769472\) \(1.3688\) \(\Gamma_0(N)\)-optimal*
450840.bh4 450840bh3 \([0, -1, 0, 180240, 1984092]\) \(26198797244/15234375\) \(-376546076400000000\) \([2]\) \(7077888\) \(2.0619\)  
*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 450840.bh1.

Rank

sage: E.rank()
 

The elliptic curves in class 450840.bh have rank \(1\).

Complex multiplication

The elliptic curves in class 450840.bh do not have complex multiplication.

Modular form 450840.2.a.bh

sage: E.q_eigenform(10)
 
\(q - q^{3} + q^{5} + 4 q^{7} + q^{9} - 4 q^{11} + q^{13} - q^{15} + O(q^{20})\) 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.

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

Isogeny graph

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

The vertices are labelled with LMFDB labels.