Properties

Label 56784be
Number of curves $2$
Conductor $56784$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("be1")
 
E.isogeny_class()
 

Elliptic curves in class 56784be

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
56784.r2 56784be1 \([0, -1, 0, -1408, 2560]\) \(2640625/1512\) \(176882614272\) \([]\) \(48384\) \(0.84794\) \(\Gamma_0(N)\)-optimal
56784.r1 56784be2 \([0, -1, 0, -82528, 9152896]\) \(531373116625/2058\) \(240756891648\) \([]\) \(145152\) \(1.3972\)  

Rank

sage: E.rank()
 

The elliptic curves in class 56784be have rank \(2\).

Complex multiplication

The elliptic curves in class 56784be do not have complex multiplication.

Modular form 56784.2.a.be

sage: E.q_eigenform(10)
 
\(q - q^{3} - q^{7} + q^{9} - 3 q^{11} + 3 q^{17} - 5 q^{19} + O(q^{20})\) 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 Cremona numbering.

\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.