Properties

Label 486720.jb
Number of curves $2$
Conductor $486720$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("jb1")
 
E.isogeny_class()
 

Elliptic curves in class 486720.jb

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
486720.jb1 486720jb2 \([0, 0, 0, -19812, -935584]\) \(131096512/18225\) \(119559769804800\) \([2]\) \(2064384\) \(1.4277\)  
486720.jb2 486720jb1 \([0, 0, 0, -5187, 129116]\) \(150568768/16875\) \(1729742040000\) \([2]\) \(1032192\) \(1.0811\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 0 curves highlighted, and conditionally curve 486720.jb1.

Rank

sage: E.rank()
 

The elliptic curves in class 486720.jb have rank \(0\).

Complex multiplication

The elliptic curves in class 486720.jb do not have complex multiplication.

Modular form 486720.2.a.jb

sage: E.q_eigenform(10)
 
\(q + q^{5} - 4 q^{7} - 2 q^{11} + 2 q^{17} + 8 q^{19} + O(q^{20})\) 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.