Properties

Label 145728fj
Number of curves 2
Conductor 145728
CM no
Rank 1
Graph

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Show commands for: SageMath
sage: E = EllipticCurve("145728.dv1")
 
sage: E.isogeny_class()
 

Elliptic curves in class 145728fj

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients Torsion structure Modular degree Optimality
145728.dv2 145728fj1 [0, 0, 0, -13260, 8546416] [2] 655360 \(\Gamma_0(N)\)-optimal
145728.dv1 145728fj2 [0, 0, 0, -713100, 229975792] [2] 1310720  

Rank

sage: E.rank()
 

The elliptic curves in class 145728fj have rank \(1\).

Modular form 145728.2.a.dv

sage: E.q_eigenform(10)
 
\( q - 2q^{7} + q^{11} - 2q^{13} - 2q^{19} + O(q^{20}) \)

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 Cremona 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 Cremona labels.