Properties

Label 428736.bv
Number of curves $4$
Conductor $428736$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("bv1")
 
E.isogeny_class()
 

Elliptic curves in class 428736.bv

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
428736.bv1 428736bv3 \([0, -1, 0, -79969, 8725249]\) \(215751695207833/163381911\) \(42829587677184\) \([2]\) \(1703936\) \(1.5483\) \(\Gamma_0(N)\)-optimal*
428736.bv2 428736bv2 \([0, -1, 0, -6049, 76609]\) \(93391282153/44876601\) \(11764131692544\) \([2, 2]\) \(851968\) \(1.2018\) \(\Gamma_0(N)\)-optimal*
428736.bv3 428736bv1 \([0, -1, 0, -3169, -66815]\) \(13430356633/180873\) \(47414771712\) \([2]\) \(425984\) \(0.85518\) \(\Gamma_0(N)\)-optimal*
428736.bv4 428736bv4 \([0, -1, 0, 21791, 561025]\) \(4365111505607/3058314567\) \(-801718813851648\) \([2]\) \(1703936\) \(1.5483\)  
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 3 curves highlighted, and conditionally curve 428736.bv1.

Rank

sage: E.rank()
 

The elliptic curves in class 428736.bv have rank \(1\).

Complex multiplication

The elliptic curves in class 428736.bv do not have complex multiplication.

Modular form 428736.2.a.bv

sage: E.q_eigenform(10)
 
\(q - q^{3} - 2 q^{5} + q^{7} + q^{9} + q^{11} + 2 q^{13} + 2 q^{15} - 2 q^{17} + O(q^{20})\) 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.

\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.