Properties

Label 189225.g
Number of curves $4$
Conductor $189225$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("g1")
 
E.isogeny_class()
 

Elliptic curves in class 189225.g

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
189225.g1 189225k3 \([1, -1, 1, -48729380, 129020370122]\) \(1888690601881/31827645\) \(215645324818954590703125\) \([2]\) \(30965760\) \(3.2753\)  
189225.g2 189225k2 \([1, -1, 1, -6153755, -2793764878]\) \(3803721481/1703025\) \(11538691577708628515625\) \([2, 2]\) \(15482880\) \(2.9287\)  
189225.g3 189225k1 \([1, -1, 1, -5207630, -4570587628]\) \(2305199161/1305\) \(8841909254949140625\) \([2]\) \(7741440\) \(2.5822\) \(\Gamma_0(N)\)-optimal
189225.g4 189225k4 \([1, -1, 1, 21283870, -20902597378]\) \(157376536199/118918125\) \(-805718980857240439453125\) \([2]\) \(30965760\) \(3.2753\)  

Rank

sage: E.rank()
 

The elliptic curves in class 189225.g have rank \(0\).

Complex multiplication

The elliptic curves in class 189225.g do not have complex multiplication.

Modular form 189225.2.a.g

sage: E.q_eigenform(10)
 
\(q - q^{2} - q^{4} - 4 q^{7} + 3 q^{8} - 4 q^{11} - 6 q^{13} + 4 q^{14} - q^{16} - 6 q^{17} + 4 q^{19} + O(q^{20})\) 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.

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

Isogeny graph

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

The vertices are labelled with LMFDB labels.