Properties

Label 2-38-19.3-c2-0-0
Degree $2$
Conductor $38$
Sign $0.0842 - 0.996i$
Analytic cond. $1.03542$
Root an. cond. $1.01755$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.909 + 1.08i)2-s + (0.836 + 2.29i)3-s + (−0.347 − 1.96i)4-s + (−0.852 + 4.83i)5-s + (−3.25 − 1.18i)6-s + (0.583 + 1.00i)7-s + (2.44 + 1.41i)8-s + (2.31 − 1.94i)9-s + (−4.46 − 5.31i)10-s + (1.75 − 3.04i)11-s + (4.23 − 2.44i)12-s + (7.84 − 21.5i)13-s + (−1.62 − 0.286i)14-s + (−11.8 + 2.08i)15-s + (−3.75 + 1.36i)16-s + (7.26 + 6.09i)17-s + ⋯
L(s)  = 1  + (−0.454 + 0.541i)2-s + (0.278 + 0.766i)3-s + (−0.0868 − 0.492i)4-s + (−0.170 + 0.967i)5-s + (−0.541 − 0.197i)6-s + (0.0833 + 0.144i)7-s + (0.306 + 0.176i)8-s + (0.256 − 0.215i)9-s + (−0.446 − 0.531i)10-s + (0.159 − 0.276i)11-s + (0.353 − 0.203i)12-s + (0.603 − 1.65i)13-s + (−0.116 − 0.0204i)14-s + (−0.788 + 0.139i)15-s + (−0.234 + 0.0855i)16-s + (0.427 + 0.358i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0842 - 0.996i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.0842 - 0.996i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $0.0842 - 0.996i$
Analytic conductor: \(1.03542\)
Root analytic conductor: \(1.01755\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (3, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :1),\ 0.0842 - 0.996i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.677296 + 0.622460i\)
\(L(\frac12)\) \(\approx\) \(0.677296 + 0.622460i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.909 - 1.08i)T \)
19 \( 1 + (18.9 + 1.61i)T \)
good3 \( 1 + (-0.836 - 2.29i)T + (-6.89 + 5.78i)T^{2} \)
5 \( 1 + (0.852 - 4.83i)T + (-23.4 - 8.55i)T^{2} \)
7 \( 1 + (-0.583 - 1.00i)T + (-24.5 + 42.4i)T^{2} \)
11 \( 1 + (-1.75 + 3.04i)T + (-60.5 - 104. i)T^{2} \)
13 \( 1 + (-7.84 + 21.5i)T + (-129. - 108. i)T^{2} \)
17 \( 1 + (-7.26 - 6.09i)T + (50.1 + 284. i)T^{2} \)
23 \( 1 + (-3.50 - 19.8i)T + (-497. + 180. i)T^{2} \)
29 \( 1 + (25.7 + 30.6i)T + (-146. + 828. i)T^{2} \)
31 \( 1 + (43.3 - 25.0i)T + (480.5 - 832. i)T^{2} \)
37 \( 1 + 47.7iT - 1.36e3T^{2} \)
41 \( 1 + (-7.79 - 21.4i)T + (-1.28e3 + 1.08e3i)T^{2} \)
43 \( 1 + (-5.98 + 33.9i)T + (-1.73e3 - 632. i)T^{2} \)
47 \( 1 + (15.8 - 13.2i)T + (383. - 2.17e3i)T^{2} \)
53 \( 1 + (47.4 - 8.36i)T + (2.63e3 - 960. i)T^{2} \)
59 \( 1 + (-24.7 + 29.4i)T + (-604. - 3.42e3i)T^{2} \)
61 \( 1 + (-20.1 - 114. i)T + (-3.49e3 + 1.27e3i)T^{2} \)
67 \( 1 + (-22.4 - 26.7i)T + (-779. + 4.42e3i)T^{2} \)
71 \( 1 + (122. + 21.5i)T + (4.73e3 + 1.72e3i)T^{2} \)
73 \( 1 + (-31.3 + 11.4i)T + (4.08e3 - 3.42e3i)T^{2} \)
79 \( 1 + (10.2 + 28.0i)T + (-4.78e3 + 4.01e3i)T^{2} \)
83 \( 1 + (47.2 + 81.9i)T + (-3.44e3 + 5.96e3i)T^{2} \)
89 \( 1 + (-3.34 + 9.19i)T + (-6.06e3 - 5.09e3i)T^{2} \)
97 \( 1 + (6.68 - 7.96i)T + (-1.63e3 - 9.26e3i)T^{2} \)
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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

−16.11764578918337264675914998419, −15.14584409038910120497870007712, −14.66976539798393974796079824050, −12.97768986792171169298556411070, −10.98832777694008104525914129194, −10.20100375625711784155735437459, −8.813510889937428528377349581688, −7.40167710606866133197973420579, −5.78725759543480327015381328728, −3.56466530895799088084398527047, 1.66463953694779633362029664467, 4.40250977066359909170573848094, 6.91056115121550990830654731380, 8.313722227097168044175576100044, 9.332855069894370833140162916458, 11.04275256576520947422333797782, 12.35703086037206851888634214520, 13.09988378054764320980804386936, 14.35468177650179742549814258274, 16.28099003313891711251391060438

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