Properties

Label 209814cw
Number of curves $4$
Conductor $209814$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("cw1")
 
E.isogeny_class()
 

Elliptic curves in class 209814cw

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
209814.o3 209814cw1 \([1, 1, 0, -7184311840, 232013155972096]\) \(959024269496848362625/11151660319506432\) \(476858108223003928952504844288\) \([2]\) \(398131200\) \(4.5072\) \(\Gamma_0(N)\)-optimal
209814.o4 209814cw2 \([1, 1, 0, -1454990880, 591875243062272]\) \(-7966267523043306625/3534510366354604032\) \(-151139819408438618294904240242688\) \([2]\) \(796262400\) \(4.8538\)  
209814.o1 209814cw3 \([1, 1, 0, -580295449120, 170145804044320768]\) \(505384091400037554067434625/815656731648\) \(34878440955798278848914432\) \([2]\) \(1194393600\) \(5.0565\)  
209814.o2 209814cw4 \([1, 1, 0, -580289854080, 170149249090609056]\) \(-505369473241574671219626625/20303219722982711328\) \(-868189549407475871603066198667552\) \([2]\) \(2388787200\) \(5.4031\)  

Rank

sage: E.rank()
 

The elliptic curves in class 209814cw have rank \(0\).

Complex multiplication

The elliptic curves in class 209814cw do not have complex multiplication.

Modular form 209814.2.a.cw

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

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

Isogeny graph

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

The vertices are labelled with Cremona labels.