Elliptic curve isogeny class with Cremona label 17a (LMFDB label 17.a)

• Label: 17a
• Number of curves: $4$
• Conductor: $17$
• CM: no
• Rank: $0$

Elliptic curves in class 17a

LMFDB label	Cremona label	Weierstrass coefficients	Torsion structure	Modular degree	Optimality
17.a3	17a1	[1, -1, 1, -1, -14]	[4]	1	\(\Gamma_0(N)\)-optimal
17.a2	17a2	[1, -1, 1, -6, -4]	[2, 2]	2
17.a1	17a3	[1, -1, 1, -91, -310]	[2]	4
17.a4	17a4	[1, -1, 1, -1, 0]	[4]	4

Rank

The elliptic curves in class 17a have rank \(0\).

Complex multiplication

The elliptic curves in class 17a do not have complex multiplication.

Modular form 17.2.a.a

Isogeny 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

The vertices are labelled with Cremona labels.