Properties

Label 2-1890-1.1-c1-0-26
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s + 5-s − 7-s − 8-s − 10-s − 11-s + 3·13-s + 14-s + 16-s − 8·17-s − 3·19-s + 20-s + 22-s + 6·23-s + 25-s − 3·26-s − 28-s − 6·29-s − 4·31-s − 32-s + 8·34-s − 35-s + 2·37-s + 3·38-s − 40-s − 11·41-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 − 0.301·11-s + 0.832·13-s + 0.267·14-s + 1/4·16-s − 1.94·17-s − 0.688·19-s + 0.223·20-s + 0.213·22-s + 1.25·23-s + 1/5·25-s − 0.588·26-s − 0.188·28-s − 1.11·29-s − 0.718·31-s − 0.176·32-s + 1.37·34-s − 0.169·35-s + 0.328·37-s + 0.486·38-s − 0.158·40-s − 1.71·41-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: \(1\)
Selberg data: \((2,\ 1890,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + T + p T^{2} \)
13 \( 1 - 3 T + p T^{2} \)
17 \( 1 + 8 T + p T^{2} \)
19 \( 1 + 3 T + p T^{2} \)
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 \( 1 + 11 T + p T^{2} \)
43 \( 1 - T + p T^{2} \)
47 \( 1 - T + p T^{2} \)
53 \( 1 + T + p T^{2} \)
59 \( 1 + 10 T + p T^{2} \)
61 \( 1 - 4 T + p T^{2} \)
67 \( 1 + 3 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 11 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 + 11 T + p T^{2} \)
89 \( 1 + 7 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−8.950147329144740287143351852138, −8.277510386844781328548026211615, −7.15446785582654008177329147897, −6.59995338126477653770083404421, −5.83194924670353997323190002178, −4.79042522916138426389388722017, −3.66952951517574238772185308380, −2.56610622763550007370416436879, −1.61254885304796420568221989379, 0, 1.61254885304796420568221989379, 2.56610622763550007370416436879, 3.66952951517574238772185308380, 4.79042522916138426389388722017, 5.83194924670353997323190002178, 6.59995338126477653770083404421, 7.15446785582654008177329147897, 8.277510386844781328548026211615, 8.950147329144740287143351852138

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