Properties

Label 266805.bz
Number of curves $2$
Conductor $266805$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("bz1")
 
E.isogeny_class()
 

Elliptic curves in class 266805.bz

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
266805.bz1 266805bz2 \([0, 0, 1, -44894388, 115786013593]\) \(-65860951343104/3493875\) \(-530859070817188603875\) \([]\) \(19906560\) \(3.0446\)  
266805.bz2 266805bz1 \([0, 0, 1, -71148, 423320224]\) \(-262144/509355\) \(-77391355448059561755\) \([]\) \(6635520\) \(2.4953\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 266805.bz have rank \(2\).

Complex multiplication

The elliptic curves in class 266805.bz do not have complex multiplication.

Modular form 266805.2.a.bz

sage: E.q_eigenform(10)
 
\(q - 2 q^{4} - q^{5} - 4 q^{13} + 4 q^{16} - 3 q^{17} - q^{19} + O(q^{20})\) 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.