Properties

Label 9360.by
Number of curves $2$
Conductor $9360$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("by1")
 
E.isogeny_class()
 

Elliptic curves in class 9360.by

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
9360.by1 9360by1 \([0, 0, 0, -121107, -16219694]\) \(65787589563409/10400000\) \(31054233600000\) \([2]\) \(46080\) \(1.5994\) \(\Gamma_0(N)\)-optimal
9360.by2 9360by2 \([0, 0, 0, -109587, -19429166]\) \(-48743122863889/26406250000\) \(-78848640000000000\) \([2]\) \(92160\) \(1.9460\)  

Rank

sage: E.rank()
 

The elliptic curves in class 9360.by have rank \(0\).

Complex multiplication

The elliptic curves in class 9360.by do not have complex multiplication.

Modular form 9360.2.a.by

sage: E.q_eigenform(10)
 
\(q + q^{5} + 4 q^{7} - 2 q^{11} - q^{13} - 2 q^{17} - 6 q^{19} + O(q^{20})\) 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.

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

Isogeny graph

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

The vertices are labelled with LMFDB labels.