Properties

Label 40310.y
Number of curves $2$
Conductor $40310$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("y1")
 
E.isogeny_class()
 

Elliptic curves in class 40310.y

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
40310.y1 40310v1 \([1, 0, 0, -456, 5120]\) \(-10487639818369/5424113600\) \(-5424113600\) \([3]\) \(46464\) \(0.57235\) \(\Gamma_0(N)\)-optimal
40310.y2 40310v2 \([1, 0, 0, 3604, -65524]\) \(5176908959038271/4867684437500\) \(-4867684437500\) \([]\) \(139392\) \(1.1217\)  

Rank

sage: E.rank()
 

The elliptic curves in class 40310.y have rank \(0\).

Complex multiplication

The elliptic curves in class 40310.y do not have complex multiplication.

Modular form 40310.2.a.y

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

\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.