Properties

Degree $2$
Conductor $38$
Sign $-0.433 - 0.901i$
Motivic weight $5$
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 + (−21.8 − 18.3i)3-s + (−15.0 − 5.47i)4-s + (33.2 − 12.0i)5-s + (−87.3 + 73.2i)6-s + (−42.9 − 74.3i)7-s + (−32 + 55.4i)8-s + (98.8 + 560. i)9-s + (−24.5 − 139. i)10-s + (−299. + 519. i)11-s + (228. + 394. i)12-s + (417. − 350. i)13-s + (−322. + 117. i)14-s + (−946. − 344. i)15-s + (196. + 164. i)16-s + (252. − 1.43e3i)17-s + ⋯
L(s)  = 1  + (0.122 − 0.696i)2-s + (−1.40 − 1.17i)3-s + (−0.469 − 0.171i)4-s + (0.594 − 0.216i)5-s + (−0.990 + 0.831i)6-s + (−0.331 − 0.573i)7-s + (−0.176 + 0.306i)8-s + (0.406 + 2.30i)9-s + (−0.0776 − 0.440i)10-s + (−0.747 + 1.29i)11-s + (0.457 + 0.791i)12-s + (0.685 − 0.574i)13-s + (−0.440 + 0.160i)14-s + (−1.08 − 0.395i)15-s + (0.191 + 0.160i)16-s + (0.212 − 1.20i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.433 - 0.901i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.433 - 0.901i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $-0.433 - 0.901i$
Motivic weight: \(5\)
Character: $\chi_{38} (17, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :5/2),\ -0.433 - 0.901i)\)

Particular Values

\(L(3)\) \(\approx\) \(0.220815 + 0.351081i\)
\(L(\frac12)\) \(\approx\) \(0.220815 + 0.351081i\)
\(L(\frac{7}{2})\) 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 \( 1 + (1.57e3 + 94.1i)T \)
good3 \( 1 + (21.8 + 18.3i)T + (42.1 + 239. i)T^{2} \)
5 \( 1 + (-33.2 + 12.0i)T + (2.39e3 - 2.00e3i)T^{2} \)
7 \( 1 + (42.9 + 74.3i)T + (-8.40e3 + 1.45e4i)T^{2} \)
11 \( 1 + (299. - 519. i)T + (-8.05e4 - 1.39e5i)T^{2} \)
13 \( 1 + (-417. + 350. i)T + (6.44e4 - 3.65e5i)T^{2} \)
17 \( 1 + (-252. + 1.43e3i)T + (-1.33e6 - 4.85e5i)T^{2} \)
23 \( 1 + (3.44e3 + 1.25e3i)T + (4.93e6 + 4.13e6i)T^{2} \)
29 \( 1 + (-17.7 - 100. i)T + (-1.92e7 + 7.01e6i)T^{2} \)
31 \( 1 + (-440. - 763. i)T + (-1.43e7 + 2.47e7i)T^{2} \)
37 \( 1 + 8.65e3T + 6.93e7T^{2} \)
41 \( 1 + (-8.16e3 - 6.85e3i)T + (2.01e7 + 1.14e8i)T^{2} \)
43 \( 1 + (-4.71e3 + 1.71e3i)T + (1.12e8 - 9.44e7i)T^{2} \)
47 \( 1 + (-1.41e3 - 7.99e3i)T + (-2.15e8 + 7.84e7i)T^{2} \)
53 \( 1 + (2.43e4 + 8.85e3i)T + (3.20e8 + 2.68e8i)T^{2} \)
59 \( 1 + (-6.27e3 + 3.56e4i)T + (-6.71e8 - 2.44e8i)T^{2} \)
61 \( 1 + (3.69e4 + 1.34e4i)T + (6.46e8 + 5.42e8i)T^{2} \)
67 \( 1 + (2.37e3 + 1.34e4i)T + (-1.26e9 + 4.61e8i)T^{2} \)
71 \( 1 + (-7.02e4 + 2.55e4i)T + (1.38e9 - 1.15e9i)T^{2} \)
73 \( 1 + (4.52e4 + 3.79e4i)T + (3.59e8 + 2.04e9i)T^{2} \)
79 \( 1 + (-4.60e3 - 3.86e3i)T + (5.34e8 + 3.03e9i)T^{2} \)
83 \( 1 + (3.65e4 + 6.33e4i)T + (-1.96e9 + 3.41e9i)T^{2} \)
89 \( 1 + (-1.17e4 + 9.83e3i)T + (9.69e8 - 5.49e9i)T^{2} \)
97 \( 1 + (1.86e4 - 1.05e5i)T + (-8.06e9 - 2.93e9i)T^{2} \)
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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

−13.81930969910419765818092088549, −12.93919713368812620470458817642, −12.26180824624591569054431272149, −10.91694778546953193727221195180, −9.968847830273283850070351995798, −7.66129883674310502719481697168, −6.25314395270238521947660400216, −4.92413812886504463871848067500, −1.91130644582780361871557749589, −0.26294002770134863496618480389, 3.98122709717672794150443012095, 5.85372886937838220383939523656, 6.04053258925683381890321476513, 8.670546392957449832655225533829, 10.06901164994638638453787945418, 11.00946646762968178707412264596, 12.41142871865722518464186480428, 13.92204679374036238051026927137, 15.41896408312396122093067988367, 16.05647472830621698978720744265

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