Properties

Label 2-38-19.4-c3-0-3
Degree $2$
Conductor $38$
Sign $0.686 + 0.727i$
Analytic cond. $2.24207$
Root an. cond. $1.49735$
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  + (1.87 + 0.684i)2-s + (−1.31 − 7.43i)3-s + (3.06 + 2.57i)4-s + (3.45 − 2.89i)5-s + (2.62 − 14.8i)6-s + (4.21 − 7.29i)7-s + (4.00 + 6.92i)8-s + (−28.1 + 10.2i)9-s + (8.47 − 3.08i)10-s + (19.9 + 34.5i)11-s + (15.0 − 26.1i)12-s + (−12.5 + 71.0i)13-s + (12.9 − 10.8i)14-s + (−26.0 − 21.8i)15-s + (2.77 + 15.7i)16-s + (−83.5 − 30.4i)17-s + ⋯
L(s)  = 1  + (0.664 + 0.241i)2-s + (−0.252 − 1.43i)3-s + (0.383 + 0.321i)4-s + (0.309 − 0.259i)5-s + (0.178 − 1.01i)6-s + (0.227 − 0.393i)7-s + (0.176 + 0.306i)8-s + (−1.04 + 0.379i)9-s + (0.268 − 0.0975i)10-s + (0.546 + 0.946i)11-s + (0.363 − 0.628i)12-s + (−0.267 + 1.51i)13-s + (0.246 − 0.206i)14-s + (−0.448 − 0.376i)15-s + (0.0434 + 0.246i)16-s + (−1.19 − 0.433i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.686 + 0.727i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.686 + 0.727i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $0.686 + 0.727i$
Analytic conductor: \(2.24207\)
Root analytic conductor: \(1.49735\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (23, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :3/2),\ 0.686 + 0.727i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.59828 - 0.688981i\)
\(L(\frac12)\) \(\approx\) \(1.59828 - 0.688981i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.87 - 0.684i)T \)
19 \( 1 + (-34.2 + 75.4i)T \)
good3 \( 1 + (1.31 + 7.43i)T + (-25.3 + 9.23i)T^{2} \)
5 \( 1 + (-3.45 + 2.89i)T + (21.7 - 123. i)T^{2} \)
7 \( 1 + (-4.21 + 7.29i)T + (-171.5 - 297. i)T^{2} \)
11 \( 1 + (-19.9 - 34.5i)T + (-665.5 + 1.15e3i)T^{2} \)
13 \( 1 + (12.5 - 71.0i)T + (-2.06e3 - 751. i)T^{2} \)
17 \( 1 + (83.5 + 30.4i)T + (3.76e3 + 3.15e3i)T^{2} \)
23 \( 1 + (-68.3 - 57.3i)T + (2.11e3 + 1.19e4i)T^{2} \)
29 \( 1 + (-163. + 59.5i)T + (1.86e4 - 1.56e4i)T^{2} \)
31 \( 1 + (-27.1 + 47.0i)T + (-1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 + 342.T + 5.06e4T^{2} \)
41 \( 1 + (55.4 + 314. i)T + (-6.47e4 + 2.35e4i)T^{2} \)
43 \( 1 + (155. - 130. i)T + (1.38e4 - 7.82e4i)T^{2} \)
47 \( 1 + (-91.4 + 33.2i)T + (7.95e4 - 6.67e4i)T^{2} \)
53 \( 1 + (324. + 272. i)T + (2.58e4 + 1.46e5i)T^{2} \)
59 \( 1 + (285. + 104. i)T + (1.57e5 + 1.32e5i)T^{2} \)
61 \( 1 + (253. + 213. i)T + (3.94e4 + 2.23e5i)T^{2} \)
67 \( 1 + (878. - 319. i)T + (2.30e5 - 1.93e5i)T^{2} \)
71 \( 1 + (-818. + 686. i)T + (6.21e4 - 3.52e5i)T^{2} \)
73 \( 1 + (-179. - 1.02e3i)T + (-3.65e5 + 1.33e5i)T^{2} \)
79 \( 1 + (-18.3 - 103. i)T + (-4.63e5 + 1.68e5i)T^{2} \)
83 \( 1 + (-436. + 756. i)T + (-2.85e5 - 4.95e5i)T^{2} \)
89 \( 1 + (-27.6 + 156. i)T + (-6.62e5 - 2.41e5i)T^{2} \)
97 \( 1 + (-926. - 337. i)T + (6.99e5 + 5.86e5i)T^{2} \)
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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

−15.54210829942123554951994193363, −14.00643321601545358876467862103, −13.42650921670624847010471862522, −12.22993613010894853184233776240, −11.38875467681758994338043399665, −9.158576588949757385797102487390, −7.24685101266648355518335980116, −6.66114242059269160008647251401, −4.72284588952383363859559956597, −1.84816249030949792488129624109, 3.25787495075168283052231687256, 4.87160742175808910652691613972, 6.11232305377531277261373522317, 8.636275089760946511509392622294, 10.20382048080409161737231095238, 10.87688312747600208984387670617, 12.24712716169790551352139286239, 13.81910598042965454214411958509, 14.95330722036580180731607582211, 15.68620635779161774501590662194

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