Properties

Label 162240.db
Number of curves $6$
Conductor $162240$
CM no
Rank $1$
Graph

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Show commands for: SageMath
sage: E = EllipticCurve("162240.db1")
 
sage: E.isogeny_class()
 

Elliptic curves in class 162240.db

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients Torsion structure Modular degree Optimality
162240.db1 162240cq5 [0, -1, 0, -97506465, 370626330177] [2] 16515072  
162240.db2 162240cq4 [0, -1, 0, -9139745, -10623846975] [2] 8257536  
162240.db3 162240cq3 [0, -1, 0, -6111265, 5758412737] [2, 2] 8257536  
162240.db4 162240cq6 [0, -1, 0, -1244065, 14674149697] [2] 16515072  
162240.db5 162240cq2 [0, -1, 0, -703265, -83308863] [2, 2] 4128768  
162240.db6 162240cq1 [0, -1, 0, 162015, -10106175] [2] 2064384 \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 162240.db have rank \(1\).

Modular form 162240.2.a.db

sage: E.q_eigenform(10)
 
\( q - q^{3} + q^{5} + q^{9} - 4q^{11} - q^{15} - 6q^{17} - 4q^{19} + O(q^{20}) \)

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.

\(\left(\begin{array}{rrrrrr} 1 & 8 & 2 & 4 & 4 & 8 \\ 8 & 1 & 4 & 8 & 2 & 4 \\ 2 & 4 & 1 & 2 & 2 & 4 \\ 4 & 8 & 2 & 1 & 4 & 8 \\ 4 & 2 & 2 & 4 & 1 & 2 \\ 8 & 4 & 4 & 8 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.