Elliptic curve isogeny class with LMFDB label 243360.cy (Cremona label 243360cy)

• Label: 243360.cy
• Number of curves: $4$
• Conductor: $243360$
• CM: no
• Rank: $2$

Rank

The elliptic curves in class 243360.cy have rank \(2\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1\)
\(3\)	\(1\)
\(5\)	\(1 - T\)
\(13\)	\(1\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(7\)	\( 1 + 4 T + 7 T^{2}\)	1.7.e
\(11\)	\( 1 + 11 T^{2}\)	1.11.a
\(17\)	\( 1 - 6 T + 17 T^{2}\)	1.17.ag
\(19\)	\( 1 + 19 T^{2}\)	1.19.a
\(23\)	\( 1 + 4 T + 23 T^{2}\)	1.23.e
\(29\)	\( 1 - 2 T + 29 T^{2}\)	1.29.ac
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 243360.cy do not have complex multiplication.

Modular form 243360.2.a.cy

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 LMFDB numbering.

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

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 243360.cy

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
243360.cy1	243360cy2	\([0, 0, 0, -730587, 240356194]\)	\(23937672968/45\)	\(81071856253440\)	\([2]\)	\(2359296\)	\(1.9241\)
243360.cy2	243360cy4	\([0, 0, 0, -122187, -11551826]\)	\(111980168/32805\)	\(59101383208757760\)	\([2]\)	\(2359296\)	\(1.9241\)
243360.cy3	243360cy1	\([0, 0, 0, -46137, 3673384]\)	\(48228544/2025\)	\(456029191425600\)	\([2, 2]\)	\(1179648\)	\(1.5775\)	\(\Gamma_0(N)\)-optimal
243360.cy4	243360cy3	\([0, 0, 0, 22308, 13638976]\)	\(85184/5625\)	\(-81071856253440000\)	\([2]\)	\(2359296\)	\(1.9241\)