Properties

Label 33813o
Number of curves $4$
Conductor $33813$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("o1")
 
E.isogeny_class()
 

Elliptic curves in class 33813o

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
33813.e4 33813o1 \([1, -1, 1, 1246, 35768]\) \(12167/39\) \(-686255224239\) \([2]\) \(40960\) \(0.95440\) \(\Gamma_0(N)\)-optimal
33813.e3 33813o2 \([1, -1, 1, -11759, 425918]\) \(10218313/1521\) \(26763953745321\) \([2, 2]\) \(81920\) \(1.3010\)  
33813.e2 33813o3 \([1, -1, 1, -50774, -3974974]\) \(822656953/85683\) \(1507702727653083\) \([2]\) \(163840\) \(1.6475\)  
33813.e1 33813o4 \([1, -1, 1, -180824, 29640350]\) \(37159393753/1053\) \(18528891054453\) \([2]\) \(163840\) \(1.6475\)  

Rank

sage: E.rank()
 

The elliptic curves in class 33813o have rank \(1\).

Complex multiplication

The elliptic curves in class 33813o do not have complex multiplication.

Modular form 33813.2.a.o

sage: E.q_eigenform(10)
 
\(q - q^{2} - q^{4} + 2 q^{5} + 4 q^{7} + 3 q^{8} - 2 q^{10} + 4 q^{11} + q^{13} - 4 q^{14} - q^{16} + O(q^{20})\) 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.