Properties

Label 2-1890-1.1-c1-0-19
Degree $2$
Conductor $1890$
Sign $1$
Analytic cond. $15.0917$
Root an. cond. $3.88480$
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 + 7-s + 8-s + 10-s + 3·11-s + 5·13-s + 14-s + 16-s − 7·19-s + 20-s + 3·22-s + 6·23-s + 25-s + 5·26-s + 28-s − 6·29-s − 4·31-s + 32-s + 35-s + 2·37-s − 7·38-s + 40-s − 3·41-s − 43-s + 3·44-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.447·5-s + 0.377·7-s + 0.353·8-s + 0.316·10-s + 0.904·11-s + 1.38·13-s + 0.267·14-s + 1/4·16-s − 1.60·19-s + 0.223·20-s + 0.639·22-s + 1.25·23-s + 1/5·25-s + 0.980·26-s + 0.188·28-s − 1.11·29-s − 0.718·31-s + 0.176·32-s + 0.169·35-s + 0.328·37-s − 1.13·38-s + 0.158·40-s − 0.468·41-s − 0.152·43-s + 0.452·44-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1890\)    =    \(2 \cdot 3^{3} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(15.0917\)
Root analytic conductor: \(3.88480\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1890,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.436561145\)
\(L(\frac12)\) \(\approx\) \(3.436561145\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
7 \( 1 - T \)
good11 \( 1 - 3 T + p T^{2} \)
13 \( 1 - 5 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + 7 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 + T + p T^{2} \)
47 \( 1 - 3 T + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 + 13 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 7 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 3 T + p T^{2} \)
89 \( 1 - 9 T + p T^{2} \)
97 \( 1 + 10 T + p T^{2} \)
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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

−8.926529589016283807355632196941, −8.701856610059850526638171029268, −7.46679210213785799425922090716, −6.62383687933844553298964816100, −6.03267537061710076703648081532, −5.20861398617287979134639009542, −4.17565903266185298934746247405, −3.55919323194744322765656270789, −2.24867210192228587557451291464, −1.28514159815933558570968670699, 1.28514159815933558570968670699, 2.24867210192228587557451291464, 3.55919323194744322765656270789, 4.17565903266185298934746247405, 5.20861398617287979134639009542, 6.03267537061710076703648081532, 6.62383687933844553298964816100, 7.46679210213785799425922090716, 8.701856610059850526638171029268, 8.926529589016283807355632196941

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