Properties

Label 2-19-1.1-c7-0-0
Degree $2$
Conductor $19$
Sign $1$
Analytic cond. $5.93531$
Root an. cond. $2.43625$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 13.2·2-s − 51.9·3-s + 47.7·4-s − 400.·5-s + 688.·6-s − 4.24·7-s + 1.06e3·8-s + 508.·9-s + 5.31e3·10-s + 6.70e3·11-s − 2.47e3·12-s − 1.19e4·13-s + 56.2·14-s + 2.08e4·15-s − 2.02e4·16-s + 5.83e3·17-s − 6.74e3·18-s − 6.85e3·19-s − 1.91e4·20-s + 220.·21-s − 8.88e4·22-s − 4.13e4·23-s − 5.52e4·24-s + 8.24e4·25-s + 1.58e5·26-s + 8.71e4·27-s − 202.·28-s + ⋯
L(s)  = 1  − 1.17·2-s − 1.11·3-s + 0.373·4-s − 1.43·5-s + 1.30·6-s − 0.00467·7-s + 0.734·8-s + 0.232·9-s + 1.67·10-s + 1.51·11-s − 0.414·12-s − 1.51·13-s + 0.00548·14-s + 1.59·15-s − 1.23·16-s + 0.288·17-s − 0.272·18-s − 0.229·19-s − 0.534·20-s + 0.00519·21-s − 1.77·22-s − 0.708·23-s − 0.815·24-s + 1.05·25-s + 1.77·26-s + 0.851·27-s − 0.00174·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(19\)
Sign: $1$
Analytic conductor: \(5.93531\)
Root analytic conductor: \(2.43625\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 19,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(0.2930676836\)
\(L(\frac12)\) \(\approx\) \(0.2930676836\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad19 \( 1 + 6.85e3T \)
good2 \( 1 + 13.2T + 128T^{2} \)
3 \( 1 + 51.9T + 2.18e3T^{2} \)
5 \( 1 + 400.T + 7.81e4T^{2} \)
7 \( 1 + 4.24T + 8.23e5T^{2} \)
11 \( 1 - 6.70e3T + 1.94e7T^{2} \)
13 \( 1 + 1.19e4T + 6.27e7T^{2} \)
17 \( 1 - 5.83e3T + 4.10e8T^{2} \)
23 \( 1 + 4.13e4T + 3.40e9T^{2} \)
29 \( 1 - 1.87e5T + 1.72e10T^{2} \)
31 \( 1 - 4.27e4T + 2.75e10T^{2} \)
37 \( 1 - 3.77e5T + 9.49e10T^{2} \)
41 \( 1 + 6.83e4T + 1.94e11T^{2} \)
43 \( 1 + 2.70e5T + 2.71e11T^{2} \)
47 \( 1 + 5.21e5T + 5.06e11T^{2} \)
53 \( 1 - 1.36e6T + 1.17e12T^{2} \)
59 \( 1 - 2.15e6T + 2.48e12T^{2} \)
61 \( 1 - 2.13e6T + 3.14e12T^{2} \)
67 \( 1 + 4.26e6T + 6.06e12T^{2} \)
71 \( 1 - 2.39e6T + 9.09e12T^{2} \)
73 \( 1 + 3.31e4T + 1.10e13T^{2} \)
79 \( 1 - 6.30e6T + 1.92e13T^{2} \)
83 \( 1 + 7.55e6T + 2.71e13T^{2} \)
89 \( 1 + 2.92e6T + 4.42e13T^{2} \)
97 \( 1 + 9.53e6T + 8.07e13T^{2} \)
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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

−16.98387585371099862422339587900, −16.26139537257490693385663275582, −14.60416495264324963083995363718, −12.11784639492312353811220403171, −11.45842242987324411440205722863, −9.937444114426191219385790128272, −8.290189113153891455501511039764, −6.88988887716989593763843228802, −4.47875485222833616877157468680, −0.61016624767905620120112653374, 0.61016624767905620120112653374, 4.47875485222833616877157468680, 6.88988887716989593763843228802, 8.290189113153891455501511039764, 9.937444114426191219385790128272, 11.45842242987324411440205722863, 12.11784639492312353811220403171, 14.60416495264324963083995363718, 16.26139537257490693385663275582, 16.98387585371099862422339587900

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