Properties

Label 84700bb
Number of curves $2$
Conductor $84700$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("bb1")
 
E.isogeny_class()
 

Elliptic curves in class 84700bb

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
84700.g2 84700bb1 \([0, 1, 0, 5042, 402213]\) \(1280/7\) \(-77505793750000\) \([]\) \(243000\) \(1.3472\) \(\Gamma_0(N)\)-optimal
84700.g1 84700bb2 \([0, 1, 0, -297458, 62414713]\) \(-262885120/343\) \(-3797783893750000\) \([]\) \(729000\) \(1.8965\)  

Rank

sage: E.rank()
 

The elliptic curves in class 84700bb have rank \(0\).

Complex multiplication

The elliptic curves in class 84700bb do not have complex multiplication.

Modular form 84700.2.a.bb

sage: E.q_eigenform(10)
 
\(q - 2 q^{3} - q^{7} + q^{9} + 4 q^{13} - 2 q^{19} + O(q^{20})\) 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.

\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with Cremona labels.