Properties

Label 86394.bt
Number of curves $4$
Conductor $86394$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("bt1")
 
E.isogeny_class()
 

Elliptic curves in class 86394.bt

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
86394.bt1 86394cj4 \([1, 1, 1, -8294129, -9197451493]\) \(35618855581745079337/188166132\) \(333347780972052\) \([2]\) \(2211840\) \(2.4032\)  
86394.bt2 86394cj2 \([1, 1, 1, -518669, -143705869]\) \(8710408612492777/19986042384\) \(35406493231841424\) \([2, 2]\) \(1105920\) \(2.0566\)  
86394.bt3 86394cj3 \([1, 1, 1, -332329, -248130805]\) \(-2291249615386537/13671036998388\) \(-24219075975901243668\) \([2]\) \(2211840\) \(2.4032\)  
86394.bt4 86394cj1 \([1, 1, 1, -44349, -461229]\) \(5445273626857/3103398144\) \(5497859119382784\) \([4]\) \(552960\) \(1.7101\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 86394.bt have rank \(1\).

Complex multiplication

The elliptic curves in class 86394.bt do not have complex multiplication.

Modular form 86394.2.a.bt

sage: E.q_eigenform(10)
 
\(q + q^{2} - q^{3} + q^{4} - 2 q^{5} - q^{6} + q^{7} + q^{8} + q^{9} - 2 q^{10} - q^{12} - 2 q^{13} + q^{14} + 2 q^{15} + q^{16} + q^{17} + q^{18} + O(q^{20})\) 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.