Elliptic curve isogeny class with LMFDB label 90090.dc (Cremona label 90090dk)

• Label: 90090.dc
• Number of curves: $4$
• Conductor: $90090$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 90090.dc have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 - T\)
\(3\)	\(1\)
\(5\)	\(1 - T\)
\(7\)	\(1 + T\)
\(11\)	\(1 + T\)
\(13\)	\(1 + T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(17\)	\( 1 - 2 T + 17 T^{2}\)	1.17.ac
\(19\)	\( 1 + 19 T^{2}\)	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 90090.dc do not have complex multiplication.

Modular form 90090.2.a.dc

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 90090.dc

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
90090.dc1	90090dk4	\([1, -1, 1, -1483862, 691289849]\)	\(495651527576335064089/3950098279627500\)	\(2879621645848447500\)	\([2]\)	\(2097152\)	\(2.3697\)
90090.dc2	90090dk2	\([1, -1, 1, -157082, -6065719]\)	\(587993951045227609/318187822352400\)	\(231958922494899600\)	\([2, 2]\)	\(1048576\)	\(2.0231\)
90090.dc3	90090dk1	\([1, -1, 1, -121802, -16311031]\)	\(274129705558173529/391575824640\)	\(285458776162560\)	\([2]\)	\(524288\)	\(1.6765\)	\(\Gamma_0(N)\)-optimal
90090.dc4	90090dk3	\([1, -1, 1, 605218, -48144679]\)	\(33630425696691897191/20827008330268140\)	\(-15182889072765474060\)	\([2]\)	\(2097152\)	\(2.3697\)