Properties

Label 2-197-1.1-c1-0-3
Degree $2$
Conductor $197$
Sign $1$
Analytic cond. $1.57305$
Root an. cond. $1.25421$
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  − 0.530·2-s + 0.899·3-s − 1.71·4-s + 3.03·5-s − 0.476·6-s + 0.743·7-s + 1.97·8-s − 2.19·9-s − 1.60·10-s + 3.91·11-s − 1.54·12-s − 1.48·13-s − 0.394·14-s + 2.72·15-s + 2.39·16-s + 5.45·17-s + 1.16·18-s + 1.78·19-s − 5.21·20-s + 0.668·21-s − 2.07·22-s − 4.14·23-s + 1.77·24-s + 4.19·25-s + 0.787·26-s − 4.66·27-s − 1.27·28-s + ⋯
L(s)  = 1  − 0.374·2-s + 0.519·3-s − 0.859·4-s + 1.35·5-s − 0.194·6-s + 0.281·7-s + 0.697·8-s − 0.730·9-s − 0.508·10-s + 1.17·11-s − 0.446·12-s − 0.411·13-s − 0.105·14-s + 0.704·15-s + 0.597·16-s + 1.32·17-s + 0.273·18-s + 0.409·19-s − 1.16·20-s + 0.145·21-s − 0.442·22-s − 0.863·23-s + 0.361·24-s + 0.838·25-s + 0.154·26-s − 0.898·27-s − 0.241·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 197 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 197 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(197\)
Sign: $1$
Analytic conductor: \(1.57305\)
Root analytic conductor: \(1.25421\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 197,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.208091814\)
\(L(\frac12)\) \(\approx\) \(1.208091814\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad197 \( 1 - T \)
good2 \( 1 + 0.530T + 2T^{2} \)
3 \( 1 - 0.899T + 3T^{2} \)
5 \( 1 - 3.03T + 5T^{2} \)
7 \( 1 - 0.743T + 7T^{2} \)
11 \( 1 - 3.91T + 11T^{2} \)
13 \( 1 + 1.48T + 13T^{2} \)
17 \( 1 - 5.45T + 17T^{2} \)
19 \( 1 - 1.78T + 19T^{2} \)
23 \( 1 + 4.14T + 23T^{2} \)
29 \( 1 + 4.67T + 29T^{2} \)
31 \( 1 + 0.723T + 31T^{2} \)
37 \( 1 + 0.460T + 37T^{2} \)
41 \( 1 + 6.33T + 41T^{2} \)
43 \( 1 - 0.907T + 43T^{2} \)
47 \( 1 + 2.75T + 47T^{2} \)
53 \( 1 + 11.7T + 53T^{2} \)
59 \( 1 - 1.19T + 59T^{2} \)
61 \( 1 - 5.55T + 61T^{2} \)
67 \( 1 + 1.92T + 67T^{2} \)
71 \( 1 - 12.9T + 71T^{2} \)
73 \( 1 + 13.5T + 73T^{2} \)
79 \( 1 - 6.59T + 79T^{2} \)
83 \( 1 + 2.20T + 83T^{2} \)
89 \( 1 + 5.90T + 89T^{2} \)
97 \( 1 - 17.7T + 97T^{2} \)
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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

−12.65236875114677382241127525525, −11.48774094126597515522097754254, −9.995436354886708022464939945429, −9.563797734390071901165869257566, −8.705504178036617020568536648820, −7.70077236295669609096332332748, −6.08267796047963842289649758594, −5.13145926464621747028654331750, −3.50951263376479321404567945896, −1.69597385220128136931077491004, 1.69597385220128136931077491004, 3.50951263376479321404567945896, 5.13145926464621747028654331750, 6.08267796047963842289649758594, 7.70077236295669609096332332748, 8.705504178036617020568536648820, 9.563797734390071901165869257566, 9.995436354886708022464939945429, 11.48774094126597515522097754254, 12.65236875114677382241127525525

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