Properties

Label 2-38-1.1-c7-0-3
Degree $2$
Conductor $38$
Sign $1$
Analytic cond. $11.8706$
Root an. cond. $3.44537$
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  + 8·2-s − 26.4·3-s + 64·4-s + 139.·5-s − 211.·6-s + 458.·7-s + 512·8-s − 1.48e3·9-s + 1.11e3·10-s + 6.02e3·11-s − 1.68e3·12-s + 9.19e3·13-s + 3.67e3·14-s − 3.67e3·15-s + 4.09e3·16-s + 3.74e4·17-s − 1.19e4·18-s + 6.85e3·19-s + 8.91e3·20-s − 1.21e4·21-s + 4.82e4·22-s − 8.97e4·23-s − 1.35e4·24-s − 5.87e4·25-s + 7.35e4·26-s + 9.70e4·27-s + 2.93e4·28-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.564·3-s + 0.5·4-s + 0.498·5-s − 0.399·6-s + 0.505·7-s + 0.353·8-s − 0.681·9-s + 0.352·10-s + 1.36·11-s − 0.282·12-s + 1.16·13-s + 0.357·14-s − 0.281·15-s + 0.250·16-s + 1.84·17-s − 0.481·18-s + 0.229·19-s + 0.249·20-s − 0.285·21-s + 0.965·22-s − 1.53·23-s − 0.199·24-s − 0.751·25-s + 0.820·26-s + 0.949·27-s + 0.252·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $1$
Analytic conductor: \(11.8706\)
Root analytic conductor: \(3.44537\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(2.707173752\)
\(L(\frac12)\) \(\approx\) \(2.707173752\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 8T \)
19 \( 1 - 6.85e3T \)
good3 \( 1 + 26.4T + 2.18e3T^{2} \)
5 \( 1 - 139.T + 7.81e4T^{2} \)
7 \( 1 - 458.T + 8.23e5T^{2} \)
11 \( 1 - 6.02e3T + 1.94e7T^{2} \)
13 \( 1 - 9.19e3T + 6.27e7T^{2} \)
17 \( 1 - 3.74e4T + 4.10e8T^{2} \)
23 \( 1 + 8.97e4T + 3.40e9T^{2} \)
29 \( 1 - 4.77e4T + 1.72e10T^{2} \)
31 \( 1 - 1.16e5T + 2.75e10T^{2} \)
37 \( 1 + 5.73e5T + 9.49e10T^{2} \)
41 \( 1 + 2.73e5T + 1.94e11T^{2} \)
43 \( 1 - 3.21e5T + 2.71e11T^{2} \)
47 \( 1 + 7.66e5T + 5.06e11T^{2} \)
53 \( 1 - 2.18e5T + 1.17e12T^{2} \)
59 \( 1 - 8.78e5T + 2.48e12T^{2} \)
61 \( 1 - 9.67e5T + 3.14e12T^{2} \)
67 \( 1 - 1.50e6T + 6.06e12T^{2} \)
71 \( 1 - 4.32e6T + 9.09e12T^{2} \)
73 \( 1 + 5.52e6T + 1.10e13T^{2} \)
79 \( 1 - 2.01e6T + 1.92e13T^{2} \)
83 \( 1 + 2.16e6T + 2.71e13T^{2} \)
89 \( 1 + 1.00e7T + 4.42e13T^{2} \)
97 \( 1 - 5.88e6T + 8.07e13T^{2} \)
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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

−14.35261914732370228589503142252, −13.92006235117177666391318644723, −12.13608414343158525469942722038, −11.50192860966505691627923566581, −10.05032404959926932094125265068, −8.295448014419135264751998609793, −6.37350989514509866107127305020, −5.46608722085194530449009074179, −3.65047278078697587855394361871, −1.41991074334186519796930473037, 1.41991074334186519796930473037, 3.65047278078697587855394361871, 5.46608722085194530449009074179, 6.37350989514509866107127305020, 8.295448014419135264751998609793, 10.05032404959926932094125265068, 11.50192860966505691627923566581, 12.13608414343158525469942722038, 13.92006235117177666391318644723, 14.35261914732370228589503142252

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