Properties

Label 258570.a
Number of curves $2$
Conductor $258570$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("a1")
 
E.isogeny_class()
 

Elliptic curves in class 258570.a

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
258570.a1 258570a2 \([1, -1, 0, -138735, 9271341]\) \(2397007293813769/1088000000000\) \(134042688000000000\) \([]\) \(4976640\) \(1.9815\)  
258570.a2 258570a1 \([1, -1, 0, -69120, -6976800]\) \(296431397798809/19652000\) \(2421146052000\) \([]\) \(1658880\) \(1.4322\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 258570.a have rank \(0\).

Complex multiplication

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

Modular form 258570.2.a.a

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