Properties

Label 2-187-1.1-c1-0-8
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.79·2-s − 1.08·3-s + 5.82·4-s − 1.79·5-s − 3.02·6-s + 10.7·8-s − 1.82·9-s − 5.02·10-s − 11-s − 6.31·12-s − 3.74·13-s + 1.94·15-s + 18.3·16-s + 17-s − 5.11·18-s + 0.314·19-s − 10.4·20-s − 2.79·22-s − 2.51·23-s − 11.5·24-s − 1.76·25-s − 10.4·26-s + 5.22·27-s + 5.02·29-s + 5.44·30-s − 8.42·31-s + 29.7·32-s + ⋯
L(s)  = 1  + 1.97·2-s − 0.625·3-s + 2.91·4-s − 0.803·5-s − 1.23·6-s + 3.78·8-s − 0.609·9-s − 1.59·10-s − 0.301·11-s − 1.82·12-s − 1.03·13-s + 0.502·15-s + 4.57·16-s + 0.242·17-s − 1.20·18-s + 0.0722·19-s − 2.34·20-s − 0.596·22-s − 0.523·23-s − 2.36·24-s − 0.353·25-s − 2.05·26-s + 1.00·27-s + 0.933·29-s + 0.994·30-s − 1.51·31-s + 5.26·32-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: \(0\)
Selberg data: \((2,\ 187,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.570550095\)
\(L(\frac12)\) \(\approx\) \(2.570550095\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.79T + 2T^{2} \)
3 \( 1 + 1.08T + 3T^{2} \)
5 \( 1 + 1.79T + 5T^{2} \)
7 \( 1 + 7T^{2} \)
13 \( 1 + 3.74T + 13T^{2} \)
19 \( 1 - 0.314T + 19T^{2} \)
23 \( 1 + 2.51T + 23T^{2} \)
29 \( 1 - 5.02T + 29T^{2} \)
31 \( 1 + 8.42T + 31T^{2} \)
37 \( 1 - 8.51T + 37T^{2} \)
41 \( 1 - 4.16T + 41T^{2} \)
43 \( 1 + 7.48T + 43T^{2} \)
47 \( 1 - 4.88T + 47T^{2} \)
53 \( 1 - 10.8T + 53T^{2} \)
59 \( 1 - 6.93T + 59T^{2} \)
61 \( 1 - 13.1T + 61T^{2} \)
67 \( 1 + 7.07T + 67T^{2} \)
71 \( 1 + 15.2T + 71T^{2} \)
73 \( 1 + 0.506T + 73T^{2} \)
79 \( 1 - 4.05T + 79T^{2} \)
83 \( 1 - 10.5T + 83T^{2} \)
89 \( 1 + 3.14T + 89T^{2} \)
97 \( 1 + 4.84T + 97T^{2} \)
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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

−12.47931840440334233060891105725, −11.83607275540918176058469082572, −11.26228900430737501721726080393, −10.21522665507085653947612532728, −7.967462393495367360834145349164, −7.04276389536795903900129601864, −5.87186506170867011865989347179, −5.03673871208632593263595656968, −3.94370513385051033933376544764, −2.62374977390360810583160140079, 2.62374977390360810583160140079, 3.94370513385051033933376544764, 5.03673871208632593263595656968, 5.87186506170867011865989347179, 7.04276389536795903900129601864, 7.967462393495367360834145349164, 10.21522665507085653947612532728, 11.26228900430737501721726080393, 11.83607275540918176058469082572, 12.47931840440334233060891105725

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