Properties

Label 2-19-1.1-c7-0-3
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  + 7.78·2-s + 37.1·3-s − 67.3·4-s + 383.·5-s + 289.·6-s + 1.02e3·7-s − 1.52e3·8-s − 804.·9-s + 2.98e3·10-s + 7.46e3·11-s − 2.50e3·12-s − 5.46e3·13-s + 7.98e3·14-s + 1.42e4·15-s − 3.22e3·16-s − 3.32e4·17-s − 6.26e3·18-s − 6.85e3·19-s − 2.58e4·20-s + 3.81e4·21-s + 5.81e4·22-s − 8.74e4·23-s − 5.65e4·24-s + 6.90e4·25-s − 4.25e4·26-s − 1.11e5·27-s − 6.90e4·28-s + ⋯
L(s)  = 1  + 0.688·2-s + 0.795·3-s − 0.526·4-s + 1.37·5-s + 0.547·6-s + 1.12·7-s − 1.05·8-s − 0.367·9-s + 0.944·10-s + 1.69·11-s − 0.418·12-s − 0.690·13-s + 0.777·14-s + 1.09·15-s − 0.196·16-s − 1.64·17-s − 0.253·18-s − 0.229·19-s − 0.722·20-s + 0.898·21-s + 1.16·22-s − 1.49·23-s − 0.835·24-s + 0.884·25-s − 0.475·26-s − 1.08·27-s − 0.594·28-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

\(L(4)\) \(\approx\) \(2.895307206\)
\(L(\frac12)\) \(\approx\) \(2.895307206\)
\(L(\frac{9}{2})\) 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 \( 1 - 7.78T + 128T^{2} \)
3 \( 1 - 37.1T + 2.18e3T^{2} \)
5 \( 1 - 383.T + 7.81e4T^{2} \)
7 \( 1 - 1.02e3T + 8.23e5T^{2} \)
11 \( 1 - 7.46e3T + 1.94e7T^{2} \)
13 \( 1 + 5.46e3T + 6.27e7T^{2} \)
17 \( 1 + 3.32e4T + 4.10e8T^{2} \)
23 \( 1 + 8.74e4T + 3.40e9T^{2} \)
29 \( 1 + 8.20e4T + 1.72e10T^{2} \)
31 \( 1 - 2.41e5T + 2.75e10T^{2} \)
37 \( 1 - 6.02e4T + 9.49e10T^{2} \)
41 \( 1 - 4.10e5T + 1.94e11T^{2} \)
43 \( 1 - 8.37e4T + 2.71e11T^{2} \)
47 \( 1 + 3.24e5T + 5.06e11T^{2} \)
53 \( 1 - 1.96e5T + 1.17e12T^{2} \)
59 \( 1 - 2.37e6T + 2.48e12T^{2} \)
61 \( 1 + 5.98e5T + 3.14e12T^{2} \)
67 \( 1 + 2.28e6T + 6.06e12T^{2} \)
71 \( 1 + 1.06e6T + 9.09e12T^{2} \)
73 \( 1 + 1.44e6T + 1.10e13T^{2} \)
79 \( 1 + 2.30e6T + 1.92e13T^{2} \)
83 \( 1 - 1.43e6T + 2.71e13T^{2} \)
89 \( 1 - 7.41e6T + 4.42e13T^{2} \)
97 \( 1 - 5.66e6T + 8.07e13T^{2} \)
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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

−17.37034170461570256329497769307, −14.78803870963300729188436900504, −14.22512355627036296678221205535, −13.45135220002479023894052899581, −11.72172593109527982606534706144, −9.555825404712745183203054711338, −8.607078797324282986253531320855, −6.08569611283034673622064074388, −4.37643857771174733650272688185, −2.12306934123709445141980371028, 2.12306934123709445141980371028, 4.37643857771174733650272688185, 6.08569611283034673622064074388, 8.607078797324282986253531320855, 9.555825404712745183203054711338, 11.72172593109527982606534706144, 13.45135220002479023894052899581, 14.22512355627036296678221205535, 14.78803870963300729188436900504, 17.37034170461570256329497769307

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