Properties

Label 479808.i
Number of curves $2$
Conductor $479808$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("i1")
 
E.isogeny_class()
 

Elliptic curves in class 479808.i

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
479808.i1 479808i2 \([0, 0, 0, -28812, -1289680]\) \(941192/289\) \(812201049096192\) \([2]\) \(2654208\) \(1.5656\)  
479808.i2 479808i1 \([0, 0, 0, -11172, 439040]\) \(438976/17\) \(5972066537472\) \([2]\) \(1327104\) \(1.2190\) \(\Gamma_0(N)\)-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 479808.i1.

Rank

sage: E.rank()
 

The elliptic curves in class 479808.i have rank \(0\).

Complex multiplication

The elliptic curves in class 479808.i do not have complex multiplication.

Modular form 479808.2.a.i

sage: E.q_eigenform(10)
 
\(q - 4 q^{5} + 2 q^{11} + 2 q^{13} - q^{17} + 8 q^{19} + O(q^{20})\) 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.