Properties

Label 2-38-19.6-c1-0-0
Degree $2$
Conductor $38$
Sign $0.854 + 0.519i$
Analytic cond. $0.303431$
Root an. cond. $0.550846$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.766 − 0.642i)2-s + (−1.43 − 0.524i)3-s + (0.173 − 0.984i)4-s + (0.347 + 1.96i)5-s + (−1.43 + 0.524i)6-s + (−1.34 + 2.33i)7-s + (−0.500 − 0.866i)8-s + (−0.5 − 0.419i)9-s + (1.53 + 1.28i)10-s + (−1.59 − 2.75i)11-s + (−0.766 + 1.32i)12-s + (5.41 − 1.96i)13-s + (0.467 + 2.65i)14-s + (0.532 − 3.01i)15-s + (−0.939 − 0.342i)16-s + (−4.99 + 4.18i)17-s + ⋯
L(s)  = 1  + (0.541 − 0.454i)2-s + (−0.831 − 0.302i)3-s + (0.0868 − 0.492i)4-s + (0.155 + 0.880i)5-s + (−0.587 + 0.213i)6-s + (−0.509 + 0.882i)7-s + (−0.176 − 0.306i)8-s + (−0.166 − 0.139i)9-s + (0.484 + 0.406i)10-s + (−0.480 − 0.831i)11-s + (−0.221 + 0.383i)12-s + (1.50 − 0.546i)13-s + (0.125 + 0.709i)14-s + (0.137 − 0.779i)15-s + (−0.234 − 0.0855i)16-s + (−1.21 + 1.01i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.854 + 0.519i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.854 + 0.519i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $0.854 + 0.519i$
Analytic conductor: \(0.303431\)
Root analytic conductor: \(0.550846\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :1/2),\ 0.854 + 0.519i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.747454 - 0.209326i\)
\(L(\frac12)\) \(\approx\) \(0.747454 - 0.209326i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.766 + 0.642i)T \)
19 \( 1 + (-2.82 + 3.31i)T \)
good3 \( 1 + (1.43 + 0.524i)T + (2.29 + 1.92i)T^{2} \)
5 \( 1 + (-0.347 - 1.96i)T + (-4.69 + 1.71i)T^{2} \)
7 \( 1 + (1.34 - 2.33i)T + (-3.5 - 6.06i)T^{2} \)
11 \( 1 + (1.59 + 2.75i)T + (-5.5 + 9.52i)T^{2} \)
13 \( 1 + (-5.41 + 1.96i)T + (9.95 - 8.35i)T^{2} \)
17 \( 1 + (4.99 - 4.18i)T + (2.95 - 16.7i)T^{2} \)
23 \( 1 + (0.120 - 0.684i)T + (-21.6 - 7.86i)T^{2} \)
29 \( 1 + (2.16 + 1.81i)T + (5.03 + 28.5i)T^{2} \)
31 \( 1 + (1.22 - 2.12i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + 4.36T + 37T^{2} \)
41 \( 1 + (-0.326 - 0.118i)T + (31.4 + 26.3i)T^{2} \)
43 \( 1 + (-1.05 - 5.97i)T + (-40.4 + 14.7i)T^{2} \)
47 \( 1 + (-6.04 - 5.06i)T + (8.16 + 46.2i)T^{2} \)
53 \( 1 + (-1.42 + 8.08i)T + (-49.8 - 18.1i)T^{2} \)
59 \( 1 + (-0.439 + 0.368i)T + (10.2 - 58.1i)T^{2} \)
61 \( 1 + (-0.509 + 2.89i)T + (-57.3 - 20.8i)T^{2} \)
67 \( 1 + (3.79 + 3.18i)T + (11.6 + 65.9i)T^{2} \)
71 \( 1 + (1.46 + 8.32i)T + (-66.7 + 24.2i)T^{2} \)
73 \( 1 + (14.8 + 5.39i)T + (55.9 + 46.9i)T^{2} \)
79 \( 1 + (-8.51 - 3.10i)T + (60.5 + 50.7i)T^{2} \)
83 \( 1 + (4.23 - 7.34i)T + (-41.5 - 71.8i)T^{2} \)
89 \( 1 + (7.27 - 2.64i)T + (68.1 - 57.2i)T^{2} \)
97 \( 1 + (0.266 - 0.223i)T + (16.8 - 95.5i)T^{2} \)
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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

−16.01975510952175567378610134683, −15.14460572104743792398669752480, −13.64045378128344928664944308822, −12.68340616084920348294678304466, −11.28736966497198411350684047583, −10.75189390466300422569152363310, −8.824305371445970115991481892443, −6.45460612731784572822488885061, −5.73222117792192607638296650903, −3.12577587895058400483385361762, 4.28187908495290383818163061851, 5.56973455801038757937021007617, 7.07059162794068927055955639049, 8.879050035743400477216255077649, 10.51890554822255421224875049676, 11.76800058294023756470577669323, 13.10994081888771609658566724847, 13.86554479007193199005948350584, 15.75465887118622916832970225804, 16.35572748764816143780475636002

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