Elliptic curve isogeny class with Cremona label 30345b (LMFDB label 30345.t)

• Label: 30345b
• Number of curves: $4$
• Conductor: $30345$
• CM: no
• Rank: $1$

Rank

The elliptic curves in class 30345b have rank \(1\).

L-function data

Bad L-factors:

Prime	L-Factor
\(3\)	\(1 - T\)
\(5\)	\(1 + T\)
\(7\)	\(1 - T\)
\(17\)	\(1\)

Good L-factors:

Prime	L-Factor	Isogeny Class over \(\mathbb{F}_p\)
\(2\)	\( 1 + 2 T + 2 T^{2}\)	1.2.c
\(11\)	\( 1 - 3 T + 11 T^{2}\)	1.11.ad
\(13\)	\( 1 + 6 T + 13 T^{2}\)	1.13.g
\(19\)	\( 1 + T + 19 T^{2}\)	1.19.b
\(23\)	\( 1 + 23 T^{2}\)	1.23.a
\(29\)	\( 1 + 5 T + 29 T^{2}\)	1.29.f
$\cdots$	$\cdots$	$\cdots$

See L-function page for more information

Complex multiplication

The elliptic curves in class 30345b do not have complex multiplication.

Modular form 30345.2.a.b

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.

Elliptic curves in class 30345b

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
30345.t3	30345b1	\([1, 1, 0, -728, 6867]\)	\(1771561/105\)	\(2534444745\)	\([2]\)	\(20480\)	\(0.55750\)	\(\Gamma_0(N)\)-optimal
30345.t2	30345b2	\([1, 1, 0, -2173, -30992]\)	\(47045881/11025\)	\(266116698225\)	\([2, 2]\)	\(40960\)	\(0.90407\)
30345.t4	30345b3	\([1, 1, 0, 5052, -185607]\)	\(590589719/972405\)	\(-23471492783445\)	\([2]\)	\(81920\)	\(1.2506\)
30345.t1	30345b4	\([1, 1, 0, -32518, -2270453]\)	\(157551496201/13125\)	\(316805593125\)	\([2]\)	\(81920\)	\(1.2506\)