Properties

Label 2-187-1.1-c1-0-5
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  + 0.752·2-s + 2.90·3-s − 1.43·4-s + 0.247·5-s + 2.18·6-s − 2.58·8-s + 5.43·9-s + 0.186·10-s − 11-s − 4.16·12-s − 0.470·13-s + 0.717·15-s + 0.921·16-s + 17-s + 4.09·18-s − 6.84·19-s − 0.354·20-s − 0.752·22-s − 2.40·23-s − 7.50·24-s − 4.93·25-s − 0.354·26-s + 7.06·27-s − 0.186·29-s + 0.540·30-s + 7.93·31-s + 5.86·32-s + ⋯
L(s)  = 1  + 0.532·2-s + 1.67·3-s − 0.716·4-s + 0.110·5-s + 0.892·6-s − 0.913·8-s + 1.81·9-s + 0.0588·10-s − 0.301·11-s − 1.20·12-s − 0.130·13-s + 0.185·15-s + 0.230·16-s + 0.242·17-s + 0.964·18-s − 1.56·19-s − 0.0792·20-s − 0.160·22-s − 0.502·23-s − 1.53·24-s − 0.987·25-s − 0.0694·26-s + 1.35·27-s − 0.0345·29-s + 0.0986·30-s + 1.42·31-s + 1.03·32-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

\(L(1)\) \(\approx\) \(1.992910333\)
\(L(\frac12)\) \(\approx\) \(1.992910333\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.752T + 2T^{2} \)
3 \( 1 - 2.90T + 3T^{2} \)
5 \( 1 - 0.247T + 5T^{2} \)
7 \( 1 + 7T^{2} \)
13 \( 1 + 0.470T + 13T^{2} \)
19 \( 1 + 6.84T + 19T^{2} \)
23 \( 1 + 2.40T + 23T^{2} \)
29 \( 1 + 0.186T + 29T^{2} \)
31 \( 1 - 7.93T + 31T^{2} \)
37 \( 1 - 8.40T + 37T^{2} \)
41 \( 1 + 3.80T + 41T^{2} \)
43 \( 1 + 0.941T + 43T^{2} \)
47 \( 1 + 1.15T + 47T^{2} \)
53 \( 1 - 4.84T + 53T^{2} \)
59 \( 1 - 2.13T + 59T^{2} \)
61 \( 1 - 5.01T + 61T^{2} \)
67 \( 1 + 8.10T + 67T^{2} \)
71 \( 1 - 13.4T + 71T^{2} \)
73 \( 1 + 12.0T + 73T^{2} \)
79 \( 1 + 1.36T + 79T^{2} \)
83 \( 1 - 16.6T + 83T^{2} \)
89 \( 1 - 16.2T + 89T^{2} \)
97 \( 1 - 11.2T + 97T^{2} \)
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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

−13.13735877909310916138042203210, −11.98597290042215667352570760002, −10.23352815266643296911422337386, −9.470930196742936925369865213035, −8.487008508931206141106382540497, −7.87938400078670010312002550095, −6.24861883288368621114843345168, −4.62361601214992219101191820679, −3.65916055117847043612387173182, −2.38975038235373592751925613524, 2.38975038235373592751925613524, 3.65916055117847043612387173182, 4.62361601214992219101191820679, 6.24861883288368621114843345168, 7.87938400078670010312002550095, 8.487008508931206141106382540497, 9.470930196742936925369865213035, 10.23352815266643296911422337386, 11.98597290042215667352570760002, 13.13735877909310916138042203210

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