Properties

Label 308550kd
Number of curves $4$
Conductor $308550$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("kd1")
 
E.isogeny_class()
 

Elliptic curves in class 308550kd

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
308550.kd3 308550kd1 \([1, 0, 0, -1170738, -487648908]\) \(6411014266033/296208\) \(8199227198250000\) \([2]\) \(5898240\) \(2.1288\) \(\Gamma_0(N)\)-optimal
308550.kd2 308550kd2 \([1, 0, 0, -1231238, -434469408]\) \(7457162887153/1370924676\) \(37948073280300562500\) \([2, 2]\) \(11796480\) \(2.4754\)  
308550.kd1 308550kd3 \([1, 0, 0, -5859488, 5059263342]\) \(803760366578833/65593817586\) \(1815678891819871031250\) \([2]\) \(23592960\) \(2.8219\)  
308550.kd4 308550kd4 \([1, 0, 0, 2429012, -2524472158]\) \(57258048889007/132611470002\) \(-3670770443878330031250\) \([2]\) \(23592960\) \(2.8219\)  

Rank

sage: E.rank()
 

The elliptic curves in class 308550kd have rank \(1\).

Complex multiplication

The elliptic curves in class 308550kd do not have complex multiplication.

Modular form 308550.2.a.kd

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