Properties

Label 2-187-1.1-c1-0-6
Degree $2$
Conductor $187$
Sign $-1$
Analytic cond. $1.49320$
Root an. cond. $1.22196$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.73·2-s + 1.73·3-s + 5.46·4-s − 3.73·5-s − 4.73·6-s − 2·7-s − 9.46·8-s + 10.1·10-s + 11-s + 9.46·12-s − 3.26·13-s + 5.46·14-s − 6.46·15-s + 14.9·16-s + 17-s − 6.19·19-s − 20.3·20-s − 3.46·21-s − 2.73·22-s − 3.73·23-s − 16.3·24-s + 8.92·25-s + 8.92·26-s − 5.19·27-s − 10.9·28-s − 1.26·29-s + 17.6·30-s + ⋯
L(s)  = 1  − 1.93·2-s + 1.00·3-s + 2.73·4-s − 1.66·5-s − 1.93·6-s − 0.755·7-s − 3.34·8-s + 3.22·10-s + 0.301·11-s + 2.73·12-s − 0.906·13-s + 1.46·14-s − 1.66·15-s + 3.73·16-s + 0.242·17-s − 1.42·19-s − 4.55·20-s − 0.755·21-s − 0.582·22-s − 0.778·23-s − 3.34·24-s + 1.78·25-s + 1.75·26-s − 1.00·27-s − 2.06·28-s − 0.235·29-s + 3.22·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 187 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 187 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(187\)    =    \(11 \cdot 17\)
Sign: $-1$
Analytic conductor: \(1.49320\)
Root analytic conductor: \(1.22196\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 187,\ (\ :1/2),\ -1)\)

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)$
bad11 \( 1 - T \)
17 \( 1 - T \)
good2 \( 1 + 2.73T + 2T^{2} \)
3 \( 1 - 1.73T + 3T^{2} \)
5 \( 1 + 3.73T + 5T^{2} \)
7 \( 1 + 2T + 7T^{2} \)
13 \( 1 + 3.26T + 13T^{2} \)
19 \( 1 + 6.19T + 19T^{2} \)
23 \( 1 + 3.73T + 23T^{2} \)
29 \( 1 + 1.26T + 29T^{2} \)
31 \( 1 - 2.26T + 31T^{2} \)
37 \( 1 + 3.73T + 37T^{2} \)
41 \( 1 - 9.46T + 41T^{2} \)
43 \( 1 + 2T + 43T^{2} \)
47 \( 1 - 0.928T + 47T^{2} \)
53 \( 1 + 2.53T + 53T^{2} \)
59 \( 1 - 3T + 59T^{2} \)
61 \( 1 - 2.92T + 61T^{2} \)
67 \( 1 - T + 67T^{2} \)
71 \( 1 - 0.267T + 71T^{2} \)
73 \( 1 - 3.80T + 73T^{2} \)
79 \( 1 - 2.19T + 79T^{2} \)
83 \( 1 - 15.8T + 83T^{2} \)
89 \( 1 + 11.9T + 89T^{2} \)
97 \( 1 - 15.7T + 97T^{2} \)
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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

−11.82544775901667069597481524111, −10.87411142962362185284498662499, −9.799025126566522876008329274843, −8.914592410369310008235797861060, −8.141491757253270606536216131037, −7.54030749408128946585418505802, −6.50059977075890955087394229485, −3.71599331035951613782649292105, −2.50911346007699238392301203647, 0, 2.50911346007699238392301203647, 3.71599331035951613782649292105, 6.50059977075890955087394229485, 7.54030749408128946585418505802, 8.141491757253270606536216131037, 8.914592410369310008235797861060, 9.799025126566522876008329274843, 10.87411142962362185284498662499, 11.82544775901667069597481524111

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