Elliptic curve isogeny class with Cremona label 27930bo (LMFDB label 27930.by)

• Label: 27930bo
• Number of curves: $2$
• Conductor: $27930$
• CM: no
• Rank: $0$

Rank

The elliptic curves in class 27930bo have rank \(0\).

L-function data

Bad L-factors:

Prime	L-Factor
\(2\)	\(1 + T\)
\(3\)	\(1 - T\)
\(5\)	\(1 - T\)
\(7\)	\(1\)
\(19\)	\(1 - T\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(11\)	\( 1 + 4 T + 11 T^{2}\)	1.11.e
\(13\)	\( 1 - T + 13 T^{2}\)	1.13.ab
\(17\)	\( 1 + 3 T + 17 T^{2}\)	1.17.d
\(23\)	\( 1 + 4 T + 23 T^{2}\)	1.23.e
\(29\)	\( 1 - 9 T + 29 T^{2}\)	1.29.aj
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 27930bo do not have complex multiplication.

Modular form 27930.2.a.bo

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.

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

Isogeny graph

The vertices are labelled with Cremona labels.

Elliptic curves in class 27930bo

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
27930.by2	27930bo1	\([1, 0, 1, -3848, 321878]\)	\(-53540005609/350208000\)	\(-41201620992000\)	\([2]\)	\(120960\)	\(1.2959\)	\(\Gamma_0(N)\)-optimal
27930.by1	27930bo2	\([1, 0, 1, -97928, 11762006]\)	\(882774443450089/2166000000\)	\(254827734000000\)	\([2]\)	\(241920\)	\(1.6425\)