Properties

Label 258570.fd
Number of curves $2$
Conductor $258570$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("fd1")
 
E.isogeny_class()
 

Elliptic curves in class 258570.fd

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
258570.fd1 258570fd2 \([1, -1, 1, -7627847, -8106215529]\) \(6349095794413/520200\) \(4021499758325423400\) \([2]\) \(10543104\) \(2.6146\)  
258570.fd2 258570fd1 \([1, -1, 1, -509567, -108116121]\) \(1892819053/440640\) \(3406446854110946880\) \([2]\) \(5271552\) \(2.2680\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 258570.fd have rank \(1\).

Complex multiplication

The elliptic curves in class 258570.fd do not have complex multiplication.

Modular form 258570.2.a.fd

sage: E.q_eigenform(10)
 
\(q + q^{2} + q^{4} + q^{5} + 2 q^{7} + q^{8} + q^{10} - 4 q^{11} + 2 q^{14} + q^{16} - q^{17} + O(q^{20})\) 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 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.