Properties

Label 2-186-1.1-c1-0-4
Degree $2$
Conductor $186$
Sign $1$
Analytic cond. $1.48521$
Root an. cond. $1.21869$
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 + 3-s + 4-s + 5-s + 6-s − 2·7-s + 8-s + 9-s + 10-s − 3·11-s + 12-s − 13-s − 2·14-s + 15-s + 16-s + 3·17-s + 18-s − 5·19-s + 20-s − 2·21-s − 3·22-s + 4·23-s + 24-s − 4·25-s − 26-s + 27-s − 2·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577·3-s + 1/2·4-s + 0.447·5-s + 0.408·6-s − 0.755·7-s + 0.353·8-s + 1/3·9-s + 0.316·10-s − 0.904·11-s + 0.288·12-s − 0.277·13-s − 0.534·14-s + 0.258·15-s + 1/4·16-s + 0.727·17-s + 0.235·18-s − 1.14·19-s + 0.223·20-s − 0.436·21-s − 0.639·22-s + 0.834·23-s + 0.204·24-s − 4/5·25-s − 0.196·26-s + 0.192·27-s − 0.377·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 186 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 186 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(186\)    =    \(2 \cdot 3 \cdot 31\)
Sign: $1$
Analytic conductor: \(1.48521\)
Root analytic conductor: \(1.21869\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 186,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.952897668\)
\(L(\frac12)\) \(\approx\) \(1.952897668\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
31 \( 1 - T \)
good5 \( 1 - T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 + T + p T^{2} \)
17 \( 1 - 3 T + p T^{2} \)
19 \( 1 + 5 T + p T^{2} \)
23 \( 1 - 4 T + p T^{2} \)
29 \( 1 + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 + 6 T + p T^{2} \)
47 \( 1 + 7 T + p T^{2} \)
53 \( 1 - 14 T + p T^{2} \)
59 \( 1 - 10 T + p T^{2} \)
61 \( 1 - 7 T + p T^{2} \)
67 \( 1 + 7 T + p T^{2} \)
71 \( 1 + 3 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 - 15 T + p T^{2} \)
83 \( 1 + T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 - 13 T + p T^{2} \)
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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

−13.05040591723050562208382603170, −11.86609793920404254157071370869, −10.48645678616775104865148338230, −9.801450505814553909137448242559, −8.512584183321875206998435933939, −7.33319367325295365011876797445, −6.21449897841157477524696518952, −5.03620516471027669405867234682, −3.54463186962642716865631176024, −2.34546937125578111204655036909, 2.34546937125578111204655036909, 3.54463186962642716865631176024, 5.03620516471027669405867234682, 6.21449897841157477524696518952, 7.33319367325295365011876797445, 8.512584183321875206998435933939, 9.801450505814553909137448242559, 10.48645678616775104865148338230, 11.86609793920404254157071370869, 13.05040591723050562208382603170

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