Properties

Label 486720iz
Number of curves $2$
Conductor $486720$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("iz1")
 
E.isogeny_class()
 

Elliptic curves in class 486720iz

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
486720.iz2 486720iz1 \([0, 0, 0, -118092, -34154224]\) \(-1735192372/3796875\) \(-398532566016000000\) \([2]\) \(7372800\) \(2.0660\) \(\Gamma_0(N)\)-optimal*
486720.iz1 486720iz2 \([0, 0, 0, -2458092, -1482146224]\) \(7824392006186/7381125\) \(1549494616670208000\) \([2]\) \(14745600\) \(2.4126\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 2 curves highlighted, and conditionally curve 486720iz1.

Rank

sage: E.rank()
 

The elliptic curves in class 486720iz have rank \(1\).

Complex multiplication

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

Modular form 486720.2.a.iz

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

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.