Properties

Label 2-2790-1.1-c1-0-1
Degree $2$
Conductor $2790$
Sign $1$
Analytic cond. $22.2782$
Root an. cond. $4.71998$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s + 5-s − 5·7-s − 8-s − 10-s − 11-s − 4·13-s + 5·14-s + 16-s − 6·17-s + 3·19-s + 20-s + 22-s − 7·23-s + 25-s + 4·26-s − 5·28-s + 8·29-s − 31-s − 32-s + 6·34-s − 5·35-s + 8·37-s − 3·38-s − 40-s + 43-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 0.447·5-s − 1.88·7-s − 0.353·8-s − 0.316·10-s − 0.301·11-s − 1.10·13-s + 1.33·14-s + 1/4·16-s − 1.45·17-s + 0.688·19-s + 0.223·20-s + 0.213·22-s − 1.45·23-s + 1/5·25-s + 0.784·26-s − 0.944·28-s + 1.48·29-s − 0.179·31-s − 0.176·32-s + 1.02·34-s − 0.845·35-s + 1.31·37-s − 0.486·38-s − 0.158·40-s + 0.152·43-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2790 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2790 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2790\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 31\)
Sign: $1$
Analytic conductor: \(22.2782\)
Root analytic conductor: \(4.71998\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2790,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6572632530\)
\(L(\frac12)\) \(\approx\) \(0.6572632530\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
3 \( 1 \)
5 \( 1 - T \)
31 \( 1 + T \)
good7 \( 1 + 5 T + p T^{2} \)
11 \( 1 + T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 - 3 T + p T^{2} \)
23 \( 1 + 7 T + p T^{2} \)
29 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 - 10 T + p T^{2} \)
71 \( 1 - 9 T + p T^{2} \)
73 \( 1 - 11 T + p T^{2} \)
79 \( 1 - 3 T + p T^{2} \)
83 \( 1 + 2 T + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 - 16 T + p T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.041248707027259705161441758606, −8.089214143925380338016885102443, −7.24746775187893654259537718296, −6.49241448966187991756309763333, −6.12654788155122086648290255972, −5.00368084780327692093630652847, −3.89028041409452054406331400388, −2.78745042395360105363916886348, −2.27220021818424651939667936571, −0.52006726175440794425980175575, 0.52006726175440794425980175575, 2.27220021818424651939667936571, 2.78745042395360105363916886348, 3.89028041409452054406331400388, 5.00368084780327692093630652847, 6.12654788155122086648290255972, 6.49241448966187991756309763333, 7.24746775187893654259537718296, 8.089214143925380338016885102443, 9.041248707027259705161441758606

Graph of the $Z$-function along the critical line