Properties

Label 164730.bh
Number of curves $4$
Conductor $164730$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("bh1")
 
E.isogeny_class()
 

Elliptic curves in class 164730.bh

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
164730.bh1 164730ce3 \([1, 0, 1, -4260589, 3383417912]\) \(354355324368975721/142820910000\) \(3447349569767790000\) \([2]\) \(4718592\) \(2.5203\)  
164730.bh2 164730ce4 \([1, 0, 1, -2272269, -1293684104]\) \(53753796117412201/1162849070160\) \(28068349667572841040\) \([2]\) \(4718592\) \(2.5203\)  
164730.bh3 164730ce2 \([1, 0, 1, -307069, 35577176]\) \(132658803153001/54084153600\) \(1305459989326598400\) \([2, 2]\) \(2359296\) \(2.1738\)  
164730.bh4 164730ce1 \([1, 0, 1, 62851, 4059992]\) \(1137566234519/952565760\) \(-22992621759037440\) \([2]\) \(1179648\) \(1.8272\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 164730.bh have rank \(0\).

Complex multiplication

The elliptic curves in class 164730.bh do not have complex multiplication.

Modular form 164730.2.a.bh

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{3} + q^{4} - q^{5} - q^{6} - q^{8} + q^{9} + q^{10} + q^{12} + 2 q^{13} - q^{15} + q^{16} - q^{18} - q^{19} + O(q^{20})\) 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.

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

Isogeny graph

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

The vertices are labelled with LMFDB labels.