Properties

Label 2-19-19.4-c3-0-3
Degree $2$
Conductor $19$
Sign $-0.180 + 0.983i$
Analytic cond. $1.12103$
Root an. cond. $1.05879$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2.16 − 0.789i)2-s + (−0.930 − 5.27i)3-s + (−2.04 − 1.71i)4-s + (6.28 − 5.27i)5-s + (−2.14 + 12.1i)6-s + (−1.44 + 2.50i)7-s + (12.3 + 21.3i)8-s + (−1.60 + 0.584i)9-s + (−17.8 + 6.48i)10-s + (14.1 + 24.4i)11-s + (−7.15 + 12.3i)12-s + (14.7 − 83.9i)13-s + (5.11 − 4.29i)14-s + (−33.6 − 28.2i)15-s + (−6.16 − 34.9i)16-s + (33.2 + 12.1i)17-s + ⋯
L(s)  = 1  + (−0.766 − 0.279i)2-s + (−0.179 − 1.01i)3-s + (−0.255 − 0.214i)4-s + (0.562 − 0.471i)5-s + (−0.146 + 0.828i)6-s + (−0.0780 + 0.135i)7-s + (0.544 + 0.942i)8-s + (−0.0595 + 0.0216i)9-s + (−0.563 + 0.204i)10-s + (0.386 + 0.670i)11-s + (−0.172 + 0.298i)12-s + (0.315 − 1.79i)13-s + (0.0976 − 0.0819i)14-s + (−0.579 − 0.486i)15-s + (−0.0962 − 0.546i)16-s + (0.474 + 0.172i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.180 + 0.983i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.180 + 0.983i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(19\)
Sign: $-0.180 + 0.983i$
Analytic conductor: \(1.12103\)
Root analytic conductor: \(1.05879\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{19} (4, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 19,\ (\ :3/2),\ -0.180 + 0.983i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.455683 - 0.546659i\)
\(L(\frac12)\) \(\approx\) \(0.455683 - 0.546659i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad19 \( 1 + (70.3 - 43.7i)T \)
good2 \( 1 + (2.16 + 0.789i)T + (6.12 + 5.14i)T^{2} \)
3 \( 1 + (0.930 + 5.27i)T + (-25.3 + 9.23i)T^{2} \)
5 \( 1 + (-6.28 + 5.27i)T + (21.7 - 123. i)T^{2} \)
7 \( 1 + (1.44 - 2.50i)T + (-171.5 - 297. i)T^{2} \)
11 \( 1 + (-14.1 - 24.4i)T + (-665.5 + 1.15e3i)T^{2} \)
13 \( 1 + (-14.7 + 83.9i)T + (-2.06e3 - 751. i)T^{2} \)
17 \( 1 + (-33.2 - 12.1i)T + (3.76e3 + 3.15e3i)T^{2} \)
23 \( 1 + (-131. - 110. i)T + (2.11e3 + 1.19e4i)T^{2} \)
29 \( 1 + (62.1 - 22.6i)T + (1.86e4 - 1.56e4i)T^{2} \)
31 \( 1 + (76.2 - 132. i)T + (-1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 - 129.T + 5.06e4T^{2} \)
41 \( 1 + (27.0 + 153. i)T + (-6.47e4 + 2.35e4i)T^{2} \)
43 \( 1 + (-242. + 203. i)T + (1.38e4 - 7.82e4i)T^{2} \)
47 \( 1 + (450. - 163. i)T + (7.95e4 - 6.67e4i)T^{2} \)
53 \( 1 + (-518. - 435. i)T + (2.58e4 + 1.46e5i)T^{2} \)
59 \( 1 + (202. + 73.5i)T + (1.57e5 + 1.32e5i)T^{2} \)
61 \( 1 + (164. + 137. i)T + (3.94e4 + 2.23e5i)T^{2} \)
67 \( 1 + (417. - 151. i)T + (2.30e5 - 1.93e5i)T^{2} \)
71 \( 1 + (-178. + 150. i)T + (6.21e4 - 3.52e5i)T^{2} \)
73 \( 1 + (140. + 797. i)T + (-3.65e5 + 1.33e5i)T^{2} \)
79 \( 1 + (-17.1 - 97.0i)T + (-4.63e5 + 1.68e5i)T^{2} \)
83 \( 1 + (-143. + 247. i)T + (-2.85e5 - 4.95e5i)T^{2} \)
89 \( 1 + (71.1 - 403. i)T + (-6.62e5 - 2.41e5i)T^{2} \)
97 \( 1 + (841. + 306. i)T + (6.99e5 + 5.86e5i)T^{2} \)
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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

−17.76000028412176176628328231273, −17.15503601222617151150726521735, −15.03520685615536487723264193056, −13.36712233578494372713968868810, −12.49375242268468069865667237678, −10.57449457135910202073950431971, −9.220589268558198789323348258194, −7.68003656063210878753728929118, −5.60801546935119180512152660393, −1.34096291675533610155543614125, 4.23037200200293134621166627270, 6.72037316584197236652191422203, 8.854568839471195026996025542152, 9.840495679868420710053930346140, 11.13320142501329000227629879898, 13.31675854661902315429674890537, 14.69568412224115031402209514158, 16.44883049497617392108099474425, 16.74994659925596568291311888702, 18.34007796331822890017989942544

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