Properties

Label 2-38-19.4-c1-0-0
Degree $2$
Conductor $38$
Sign $0.600 + 0.799i$
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  + (−0.939 − 0.342i)2-s + (−0.326 − 1.85i)3-s + (0.766 + 0.642i)4-s + (1.53 − 1.28i)5-s + (−0.326 + 1.85i)6-s + (−2.53 + 4.38i)7-s + (−0.500 − 0.866i)8-s + (−0.5 + 0.181i)9-s + (−1.87 + 0.684i)10-s + (0.705 + 1.22i)11-s + (0.939 − 1.62i)12-s + (−0.226 + 1.28i)13-s + (3.87 − 3.25i)14-s + (−2.87 − 2.41i)15-s + (0.173 + 0.984i)16-s + (−2.24 − 0.817i)17-s + ⋯
L(s)  = 1  + (−0.664 − 0.241i)2-s + (−0.188 − 1.06i)3-s + (0.383 + 0.321i)4-s + (0.685 − 0.574i)5-s + (−0.133 + 0.755i)6-s + (−0.957 + 1.65i)7-s + (−0.176 − 0.306i)8-s + (−0.166 + 0.0606i)9-s + (−0.594 + 0.216i)10-s + (0.212 + 0.368i)11-s + (0.271 − 0.469i)12-s + (−0.0628 + 0.356i)13-s + (1.03 − 0.869i)14-s + (−0.743 − 0.623i)15-s + (0.0434 + 0.246i)16-s + (−0.544 − 0.198i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.600 + 0.799i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.600 + 0.799i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $0.600 + 0.799i$
Analytic conductor: \(0.303431\)
Root analytic conductor: \(0.550846\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (23, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :1/2),\ 0.600 + 0.799i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.518203 - 0.258727i\)
\(L(\frac12)\) \(\approx\) \(0.518203 - 0.258727i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.939 + 0.342i)T \)
19 \( 1 + (-2.23 + 3.74i)T \)
good3 \( 1 + (0.326 + 1.85i)T + (-2.81 + 1.02i)T^{2} \)
5 \( 1 + (-1.53 + 1.28i)T + (0.868 - 4.92i)T^{2} \)
7 \( 1 + (2.53 - 4.38i)T + (-3.5 - 6.06i)T^{2} \)
11 \( 1 + (-0.705 - 1.22i)T + (-5.5 + 9.52i)T^{2} \)
13 \( 1 + (0.226 - 1.28i)T + (-12.2 - 4.44i)T^{2} \)
17 \( 1 + (2.24 + 0.817i)T + (13.0 + 10.9i)T^{2} \)
23 \( 1 + (2.34 + 1.96i)T + (3.99 + 22.6i)T^{2} \)
29 \( 1 + (7.94 - 2.89i)T + (22.2 - 18.6i)T^{2} \)
31 \( 1 + (0.184 - 0.320i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 - 4.82T + 37T^{2} \)
41 \( 1 + (0.266 + 1.50i)T + (-38.5 + 14.0i)T^{2} \)
43 \( 1 + (0.581 - 0.487i)T + (7.46 - 42.3i)T^{2} \)
47 \( 1 + (-9.59 + 3.49i)T + (36.0 - 30.2i)T^{2} \)
53 \( 1 + (-1.28 - 1.07i)T + (9.20 + 52.1i)T^{2} \)
59 \( 1 + (0.673 + 0.245i)T + (45.1 + 37.9i)T^{2} \)
61 \( 1 + (-7.47 - 6.27i)T + (10.5 + 60.0i)T^{2} \)
67 \( 1 + (-1.31 + 0.480i)T + (51.3 - 43.0i)T^{2} \)
71 \( 1 + (4.87 - 4.09i)T + (12.3 - 69.9i)T^{2} \)
73 \( 1 + (0.791 + 4.49i)T + (-68.5 + 24.9i)T^{2} \)
79 \( 1 + (0.389 + 2.20i)T + (-74.2 + 27.0i)T^{2} \)
83 \( 1 + (-1.99 + 3.45i)T + (-41.5 - 71.8i)T^{2} \)
89 \( 1 + (1.84 - 10.4i)T + (-83.6 - 30.4i)T^{2} \)
97 \( 1 + (-1.43 - 0.524i)T + (74.3 + 62.3i)T^{2} \)
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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

−16.41995344504839540696850991715, −15.27564374915004154227256740969, −13.30779058188812224841608757252, −12.57271204960983390965263945601, −11.67144201386471282588377694036, −9.585247188339720934620358942217, −8.890381628757757005395721501908, −7.03458196380242232525338150663, −5.79828291177037356328854112871, −2.19412227243631258224168108529, 3.82543604641660863103117876472, 6.06254036616355721770104858340, 7.45439198546059197173016381339, 9.585259334932711390944439951638, 10.16482174993399855833094476948, 11.01318144367772548069113059508, 13.26279022936474394476582380031, 14.35810197406338571237907968148, 15.73535174470591341542131140447, 16.60316683238768635664897147692

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