Properties

Label 68400eq
Number of curves $4$
Conductor $68400$
CM no
Rank $1$
Graph

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Show commands: SageMath
E = EllipticCurve("eq1")
 
E.isogeny_class()
 

Elliptic curves in class 68400eq

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
68400.gc4 68400eq1 \([0, 0, 0, -6840075, 7196440250]\) \(-758575480593601/40535043840\) \(-1891203005399040000000\) \([2]\) \(4423680\) \(2.8415\) \(\Gamma_0(N)\)-optimal
68400.gc3 68400eq2 \([0, 0, 0, -110808075, 448956472250]\) \(3225005357698077121/8526675600\) \(397820576793600000000\) \([2, 2]\) \(8847360\) \(3.1881\)  
68400.gc2 68400eq3 \([0, 0, 0, -112176075, 437302480250]\) \(3345930611358906241/165622259047500\) \(7727272118120160000000000\) \([2]\) \(17694720\) \(3.5347\)  
68400.gc1 68400eq4 \([0, 0, 0, -1772928075, 28733252512250]\) \(13209596798923694545921/92340\) \(4308215040000000\) \([4]\) \(17694720\) \(3.5347\)  

Rank

sage: E.rank()
 

The elliptic curves in class 68400eq have rank \(1\).

Complex multiplication

The elliptic curves in class 68400eq do not have complex multiplication.

Modular form 68400.2.a.eq

sage: E.q_eigenform(10)
 
\(q + 4 q^{7} + 6 q^{13} + 2 q^{17} - q^{19} + O(q^{20})\) 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.

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

Isogeny graph

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

The vertices are labelled with Cremona labels.