Properties

Label 16560.bb
Number of curves $2$
Conductor $16560$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("bb1")
 
E.isogeny_class()
 

Elliptic curves in class 16560.bb

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
16560.bb1 16560w2 \([0, 0, 0, -7707, 237994]\) \(33909572018/3234375\) \(4828896000000\) \([2]\) \(43008\) \(1.1716\)  
16560.bb2 16560w1 \([0, 0, 0, 573, 17746]\) \(27871484/198375\) \(-148086144000\) \([2]\) \(21504\) \(0.82504\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 16560.bb have rank \(2\).

Complex multiplication

The elliptic curves in class 16560.bb do not have complex multiplication.

Modular form 16560.2.a.bb

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