Properties

Label 81120.n
Number of curves $2$
Conductor $81120$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("n1")
 
E.isogeny_class()
 

Elliptic curves in class 81120.n

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
81120.n1 81120bf2 \([0, -1, 0, -576, 4536]\) \(18821096/3645\) \(4100129280\) \([2]\) \(64512\) \(0.56153\)  
81120.n2 81120bf1 \([0, -1, 0, 74, 376]\) \(314432/675\) \(-94910400\) \([2]\) \(32256\) \(0.21496\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 81120.n have rank \(1\).

Complex multiplication

The elliptic curves in class 81120.n do not have complex multiplication.

Modular form 81120.2.a.n

sage: E.q_eigenform(10)
 
\(q - q^{3} - q^{5} + 4 q^{7} + q^{9} + 4 q^{11} + q^{15} + 8 q^{19} + O(q^{20})\) 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.