Properties

Label 417450.z
Number of curves $4$
Conductor $417450$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("z1")
 
E.isogeny_class()
 

Elliptic curves in class 417450.z

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
417450.z1 417450z4 \([1, 1, 0, -32196650, -70175950500]\) \(133345896593725369/340006815000\) \(9411606456065859375000\) \([2]\) \(58982400\) \(3.0928\)  
417450.z2 417450z2 \([1, 1, 0, -2793650, -167407500]\) \(87109155423289/49979073600\) \(1383452775092025000000\) \([2, 2]\) \(29491200\) \(2.7462\)  
417450.z3 417450z1 \([1, 1, 0, -1825650, 944824500]\) \(24310870577209/114462720\) \(3168401417280000000\) \([2]\) \(14745600\) \(2.3997\) \(\Gamma_0(N)\)-optimal*
417450.z4 417450z3 \([1, 1, 0, 11121350, -1322352500]\) \(5495662324535111/3207841648920\) \(-88795111865661939375000\) \([2]\) \(58982400\) \(3.0928\)  
*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 417450.z1.

Rank

sage: E.rank()
 

The elliptic curves in class 417450.z have rank \(2\).

Complex multiplication

The elliptic curves in class 417450.z do not have complex multiplication.

Modular form 417450.2.a.z

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

\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.