Properties

Label 470890bz
Number of curves $2$
Conductor $470890$
CM no
Rank $1$
Graph

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

Elliptic curves in class 470890bz

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
470890.bz1 470890bz1 \([1, -1, 1, -6201033, -5941995363]\) \(-5154200289/20\) \(-102325642154649620\) \([]\) \(25401600\) \(2.4771\) \(\Gamma_0(N)\)-optimal*
470890.bz2 470890bz2 \([1, -1, 1, 43242417, 56382462231]\) \(1747829720511/1280000000\) \(-6548841097897575680000000\) \([]\) \(177811200\) \(3.4501\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 2 curves highlighted, and conditionally curve 470890bz1.

Rank

sage: E.rank()
 

The elliptic curves in class 470890bz have rank \(1\).

Complex multiplication

The elliptic curves in class 470890bz do not have complex multiplication.

Modular form 470890.2.a.bz

sage: E.q_eigenform(10)
 
\(q + q^{2} - 3 q^{3} + q^{4} - q^{5} - 3 q^{6} + q^{8} + 6 q^{9} - q^{10} + 2 q^{11} - 3 q^{12} + 3 q^{15} + q^{16} + 4 q^{17} + 6 q^{18} - 6 q^{19} + O(q^{20})\) 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 Cremona numbering.

\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.