Properties

Label 2-38-1.1-c3-0-0
Degree $2$
Conductor $38$
Sign $1$
Analytic cond. $2.24207$
Root an. cond. $1.49735$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 6.15·3-s + 4·4-s + 18.3·5-s + 12.3·6-s + 21.8·7-s − 8·8-s + 10.8·9-s − 36.6·10-s − 8.30·11-s − 24.6·12-s + 53.0·13-s − 43.6·14-s − 112.·15-s + 16·16-s + 74.2·17-s − 21.6·18-s − 19·19-s + 73.2·20-s − 134.·21-s + 16.6·22-s − 163.·23-s + 49.2·24-s + 210.·25-s − 106.·26-s + 99.3·27-s + 87.3·28-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.18·3-s + 0.5·4-s + 1.63·5-s + 0.837·6-s + 1.17·7-s − 0.353·8-s + 0.401·9-s − 1.15·10-s − 0.227·11-s − 0.591·12-s + 1.13·13-s − 0.834·14-s − 1.93·15-s + 0.250·16-s + 1.05·17-s − 0.284·18-s − 0.229·19-s + 0.818·20-s − 1.39·21-s + 0.160·22-s − 1.48·23-s + 0.418·24-s + 1.68·25-s − 0.800·26-s + 0.708·27-s + 0.589·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $1$
Analytic conductor: \(2.24207\)
Root analytic conductor: \(1.49735\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.9144572009\)
\(L(\frac12)\) \(\approx\) \(0.9144572009\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 2T \)
19 \( 1 + 19T \)
good3 \( 1 + 6.15T + 27T^{2} \)
5 \( 1 - 18.3T + 125T^{2} \)
7 \( 1 - 21.8T + 343T^{2} \)
11 \( 1 + 8.30T + 1.33e3T^{2} \)
13 \( 1 - 53.0T + 2.19e3T^{2} \)
17 \( 1 - 74.2T + 4.91e3T^{2} \)
23 \( 1 + 163.T + 1.21e4T^{2} \)
29 \( 1 + 232.T + 2.43e4T^{2} \)
31 \( 1 - 98.4T + 2.97e4T^{2} \)
37 \( 1 - 296.T + 5.06e4T^{2} \)
41 \( 1 + 434.T + 6.89e4T^{2} \)
43 \( 1 + 171.T + 7.95e4T^{2} \)
47 \( 1 + 366.T + 1.03e5T^{2} \)
53 \( 1 - 138.T + 1.48e5T^{2} \)
59 \( 1 - 572.T + 2.05e5T^{2} \)
61 \( 1 + 632.T + 2.26e5T^{2} \)
67 \( 1 + 183.T + 3.00e5T^{2} \)
71 \( 1 - 56.6T + 3.57e5T^{2} \)
73 \( 1 - 68.1T + 3.89e5T^{2} \)
79 \( 1 + 332.T + 4.93e5T^{2} \)
83 \( 1 - 1.15e3T + 5.71e5T^{2} \)
89 \( 1 + 368.T + 7.04e5T^{2} \)
97 \( 1 + 426.T + 9.12e5T^{2} \)
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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

−16.42362552439556254127211450200, −14.65462673527854666915208766640, −13.42805270694816707438894980498, −11.81518792602670282986256710435, −10.80785125592809109236580824559, −9.841794763631763200053699624608, −8.232195932100640022413740604025, −6.24615267287495912324842548824, −5.39204263415166716592434760149, −1.58422284959852460289428135042, 1.58422284959852460289428135042, 5.39204263415166716592434760149, 6.24615267287495912324842548824, 8.232195932100640022413740604025, 9.841794763631763200053699624608, 10.80785125592809109236580824559, 11.81518792602670282986256710435, 13.42805270694816707438894980498, 14.65462673527854666915208766640, 16.42362552439556254127211450200

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