Elliptic curve isogeny class with LMFDB label 28050.ck (Cremona label 28050ch)

• Label: 28050.ck
• Number of curves: $4$
• Conductor: $28050$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 28050.ck have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 - T\)
\(3\)	\(1 + T\)
\(5\)	\(1\)
\(11\)	\(1 - T\)
\(17\)	\(1 - T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(7\)	\( 1 + 7 T^{2}\)	1.7.a
\(13\)	\( 1 - 2 T + 13 T^{2}\)	1.13.ac
\(19\)	\( 1 + 19 T^{2}\)	1.19.a
\(23\)	\( 1 + 8 T + 23 T^{2}\)	1.23.i
\(29\)	\( 1 + 6 T + 29 T^{2}\)	1.29.g
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 28050.ck do not have complex multiplication.

Modular form 28050.2.a.ck

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.

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

Isogeny graph

The vertices are labelled with LMFDB labels.

Elliptic curves in class 28050.ck

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
28050.ck1	28050ch4	\([1, 1, 1, -249713, 47925281]\)	\(110211585818155849/993794670\)	\(15528041718750\)	\([2]\)	\(221184\)	\(1.6963\)
28050.ck2	28050ch2	\([1, 1, 1, -15963, 707781]\)	\(28790481449449/2549240100\)	\(39831876562500\)	\([2, 2]\)	\(110592\)	\(1.3498\)
28050.ck3	28050ch1	\([1, 1, 1, -3463, -67219]\)	\(293946977449/50490000\)	\(788906250000\)	\([2]\)	\(55296\)	\(1.0032\)	\(\Gamma_0(N)\)-optimal
28050.ck4	28050ch3	\([1, 1, 1, 17787, 3340281]\)	\(39829997144951/330164359470\)	\(-5158818116718750\)	\([2]\)	\(221184\)	\(1.6963\)