Properties

Label 2-38-19.17-c5-0-2
Degree $2$
Conductor $38$
Sign $0.426 - 0.904i$
Analytic cond. $6.09458$
Root an. cond. $2.46872$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.694 + 3.93i)2-s + (−22.0 − 18.5i)3-s + (−15.0 − 5.47i)4-s + (4.74 − 1.72i)5-s + (88.3 − 74.1i)6-s + (104. + 181. i)7-s + (32 − 55.4i)8-s + (102. + 579. i)9-s + (3.50 + 19.8i)10-s + (208. − 361. i)11-s + (230. + 399. i)12-s + (19.4 − 16.2i)13-s + (−787. + 286. i)14-s + (−136. − 49.7i)15-s + (196. + 164. i)16-s + (−141. + 805. i)17-s + ⋯
L(s)  = 1  + (−0.122 + 0.696i)2-s + (−1.41 − 1.18i)3-s + (−0.469 − 0.171i)4-s + (0.0848 − 0.0308i)5-s + (1.00 − 0.840i)6-s + (0.807 + 1.39i)7-s + (0.176 − 0.306i)8-s + (0.420 + 2.38i)9-s + (0.0110 + 0.0629i)10-s + (0.519 − 0.899i)11-s + (0.462 + 0.800i)12-s + (0.0318 − 0.0267i)13-s + (−1.07 + 0.390i)14-s + (−0.156 − 0.0571i)15-s + (0.191 + 0.160i)16-s + (−0.119 + 0.675i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.426 - 0.904i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.426 - 0.904i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $0.426 - 0.904i$
Analytic conductor: \(6.09458\)
Root analytic conductor: \(2.46872\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (17, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :5/2),\ 0.426 - 0.904i)\)

Particular Values

\(L(3)\) \(\approx\) \(0.744061 + 0.471544i\)
\(L(\frac12)\) \(\approx\) \(0.744061 + 0.471544i\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.694 - 3.93i)T \)
19 \( 1 + (-916. - 1.27e3i)T \)
good3 \( 1 + (22.0 + 18.5i)T + (42.1 + 239. i)T^{2} \)
5 \( 1 + (-4.74 + 1.72i)T + (2.39e3 - 2.00e3i)T^{2} \)
7 \( 1 + (-104. - 181. i)T + (-8.40e3 + 1.45e4i)T^{2} \)
11 \( 1 + (-208. + 361. i)T + (-8.05e4 - 1.39e5i)T^{2} \)
13 \( 1 + (-19.4 + 16.2i)T + (6.44e4 - 3.65e5i)T^{2} \)
17 \( 1 + (141. - 805. i)T + (-1.33e6 - 4.85e5i)T^{2} \)
23 \( 1 + (-3.20e3 - 1.16e3i)T + (4.93e6 + 4.13e6i)T^{2} \)
29 \( 1 + (-881. - 4.99e3i)T + (-1.92e7 + 7.01e6i)T^{2} \)
31 \( 1 + (2.11e3 + 3.65e3i)T + (-1.43e7 + 2.47e7i)T^{2} \)
37 \( 1 + 7.70e3T + 6.93e7T^{2} \)
41 \( 1 + (-2.84e3 - 2.38e3i)T + (2.01e7 + 1.14e8i)T^{2} \)
43 \( 1 + (-1.44e4 + 5.26e3i)T + (1.12e8 - 9.44e7i)T^{2} \)
47 \( 1 + (-2.65e3 - 1.50e4i)T + (-2.15e8 + 7.84e7i)T^{2} \)
53 \( 1 + (-2.00e4 - 7.28e3i)T + (3.20e8 + 2.68e8i)T^{2} \)
59 \( 1 + (-2.17e3 + 1.23e4i)T + (-6.71e8 - 2.44e8i)T^{2} \)
61 \( 1 + (3.10e4 + 1.13e4i)T + (6.46e8 + 5.42e8i)T^{2} \)
67 \( 1 + (-9.79e3 - 5.55e4i)T + (-1.26e9 + 4.61e8i)T^{2} \)
71 \( 1 + (1.79e3 - 652. i)T + (1.38e9 - 1.15e9i)T^{2} \)
73 \( 1 + (-3.08e4 - 2.58e4i)T + (3.59e8 + 2.04e9i)T^{2} \)
79 \( 1 + (4.18e4 + 3.51e4i)T + (5.34e8 + 3.03e9i)T^{2} \)
83 \( 1 + (3.69e4 + 6.40e4i)T + (-1.96e9 + 3.41e9i)T^{2} \)
89 \( 1 + (-6.19e4 + 5.20e4i)T + (9.69e8 - 5.49e9i)T^{2} \)
97 \( 1 + (-2.30e4 + 1.30e5i)T + (-8.06e9 - 2.93e9i)T^{2} \)
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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

−15.73969122957105017581427126251, −14.31040228540639719385739204879, −12.95584174649137155882788384667, −11.91116526696259549891475918846, −11.01292679557860240653228990139, −8.799536398712345497708101405132, −7.49306802757154120195739102971, −6.00039442957319868651729857390, −5.37909025742814371655013057750, −1.41586612552271309830632325911, 0.72972913479443567273542932207, 4.11286072168723425926519920847, 4.97512734959640342360513752048, 7.03199474732414335251653191085, 9.390652653432054317924723067832, 10.41590783536632897432153672198, 11.17916145441380475029745676490, 12.12373261045564552376700515208, 13.85287334232734123891155495855, 15.23209519001045857106722193790

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