Properties

Label 6720.o
Number of curves $4$
Conductor $6720$
CM no
Rank $1$
Graph

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

Elliptic curves in class 6720.o

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
6720.o1 6720bl3 \([0, -1, 0, -8961, 329505]\) \(1214399773444/105\) \(6881280\) \([2]\) \(4096\) \(0.75257\)  
6720.o2 6720bl2 \([0, -1, 0, -561, 5265]\) \(1193895376/11025\) \(180633600\) \([2, 2]\) \(2048\) \(0.40600\)  
6720.o3 6720bl4 \([0, -1, 0, -161, 12225]\) \(-7086244/972405\) \(-63727534080\) \([2]\) \(4096\) \(0.75257\)  
6720.o4 6720bl1 \([0, -1, 0, -61, -35]\) \(24918016/13125\) \(13440000\) \([2]\) \(1024\) \(0.059426\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 6720.o have rank \(1\).

Complex multiplication

The elliptic curves in class 6720.o do not have complex multiplication.

Modular form 6720.2.a.o

sage: E.q_eigenform(10)
 
\(q - q^{3} - q^{5} + q^{7} + q^{9} - 2 q^{13} + q^{15} + 2 q^{17} + O(q^{20})\) 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.