Properties

Label 479370cm
Number of curves $2$
Conductor $479370$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("cm1")
 
E.isogeny_class()
 

Elliptic curves in class 479370cm

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
479370.cm2 479370cm1 \([1, 0, 0, -66036, -22915440]\) \(-53540005609/350208000\) \(-208311885600768000\) \([2]\) \(8128512\) \(2.0066\) \(\Gamma_0(N)\)-optimal*
479370.cm1 479370cm2 \([1, 0, 0, -1680756, -837057264]\) \(882774443450089/2166000000\) \(1288387313286000000\) \([2]\) \(16257024\) \(2.3532\) \(\Gamma_0(N)\)-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 479370cm1.

Rank

sage: E.rank()
 

The elliptic curves in class 479370cm have rank \(1\).

Complex multiplication

The elliptic curves in class 479370cm do not have complex multiplication.

Modular form 479370.2.a.cm

sage: E.q_eigenform(10)
 
\(q + q^{2} + q^{3} + q^{4} - q^{5} + q^{6} - 2 q^{7} + q^{8} + q^{9} - q^{10} - 4 q^{11} + q^{12} - 6 q^{13} - 2 q^{14} - q^{15} + q^{16} - 4 q^{17} + q^{18} - q^{19} + O(q^{20})\) 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.

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

Isogeny graph

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

The vertices are labelled with Cremona labels.