Properties

Label 9702.bt
Number of curves $2$
Conductor $9702$
CM no
Rank $1$
Graph

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

Elliptic curves in class 9702.bt

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
9702.bt1 9702bz2 \([1, -1, 1, -46535, -3665959]\) \(129938649625/7072758\) \(606603018431718\) \([2]\) \(49152\) \(1.5925\)  
9702.bt2 9702bz1 \([1, -1, 1, 1975, -231451]\) \(9938375/274428\) \(-23536625053788\) \([2]\) \(24576\) \(1.2459\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 9702.bt have rank \(1\).

Complex multiplication

The elliptic curves in class 9702.bt do not have complex multiplication.

Modular form 9702.2.a.bt

sage: E.q_eigenform(10)
 
\(q + q^{2} + q^{4} + q^{8} + q^{11} + 2 q^{13} + q^{16} - 4 q^{17} - 6 q^{19} + O(q^{20})\) 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.