Properties

Label 43681.j
Number of curves $2$
Conductor $43681$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("j1")
 
E.isogeny_class()
 

Elliptic curves in class 43681.j

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
43681.j1 43681k2 \([1, 0, 1, -110113, -54985911]\) \(-121\) \(-1220248991225118481\) \([]\) \(432432\) \(2.1532\)  
43681.j2 43681k1 \([1, 0, 1, -10838, 433365]\) \(-24729001\) \(-5692551601\) \([]\) \(39312\) \(0.95426\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 43681.j have rank \(1\).

Complex multiplication

The elliptic curves in class 43681.j do not have complex multiplication.

Modular form 43681.2.a.j

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

\(\left(\begin{array}{rr} 1 & 11 \\ 11 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.