Properties

Label 44770.b
Number of curves $4$
Conductor $44770$
CM no
Rank $2$
Graph

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Show commands: SageMath
E = EllipticCurve("b1")
 
E.isogeny_class()
 

Elliptic curves in class 44770.b

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
44770.b1 44770j3 \([1, 0, 1, -638278, 196220616]\) \(16232905099479601/4052240\) \(7178790346640\) \([2]\) \(414720\) \(1.8425\)  
44770.b2 44770j4 \([1, 0, 1, -635858, 197782968]\) \(-16048965315233521/256572640900\) \(-454534084285444900\) \([2]\) \(829440\) \(2.1890\)  
44770.b3 44770j1 \([1, 0, 1, -9078, 181256]\) \(46694890801/18944000\) \(33560451584000\) \([2]\) \(138240\) \(1.2931\) \(\Gamma_0(N)\)-optimal
44770.b4 44770j2 \([1, 0, 1, 29642, 1327368]\) \(1625964918479/1369000000\) \(-2425267009000000\) \([2]\) \(276480\) \(1.6397\)  

Rank

sage: E.rank()
 

The elliptic curves in class 44770.b have rank \(2\).

Complex multiplication

The elliptic curves in class 44770.b do not have complex multiplication.

Modular form 44770.2.a.b

sage: E.q_eigenform(10)
 
\(q - q^{2} - 2 q^{3} + q^{4} + q^{5} + 2 q^{6} - 2 q^{7} - q^{8} + q^{9} - q^{10} - 2 q^{12} - 2 q^{13} + 2 q^{14} - 2 q^{15} + q^{16} - 6 q^{17} - q^{18} - 2 q^{19} + O(q^{20})\) 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.

\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.