Properties

Label 126126.bb
Number of curves $2$
Conductor $126126$
CM no
Rank $0$
Graph

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

Elliptic curves in class 126126.bb

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
126126.bb1 126126ce1 \([1, -1, 0, -2546510850, 49514613663892]\) \(-21293376668673906679951249/26211168887701209984\) \(-2248030282374017387334152064\) \([]\) \(106686720\) \(4.1581\) \(\Gamma_0(N)\)-optimal
126126.bb2 126126ce2 \([1, -1, 0, 7211712240, -3107478259714298]\) \(483641001192506212470106511/48918776756543177755473774\) \(-4195573726473669725100472113210654\) \([]\) \(746807040\) \(5.1310\)  

Rank

sage: E.rank()
 

The elliptic curves in class 126126.bb have rank \(0\).

Complex multiplication

The elliptic curves in class 126126.bb do not have complex multiplication.

Modular form 126126.2.a.bb

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{4} - q^{5} - q^{8} + q^{10} - q^{11} + q^{13} + q^{16} + 4 q^{17} - 6 q^{19} + O(q^{20})\) 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 LMFDB numbering.

\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.