Properties

Label 2-38-19.4-c7-0-0
Degree $2$
Conductor $38$
Sign $-0.798 + 0.601i$
Analytic cond. $11.8706$
Root an. cond. $3.44537$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−7.51 − 2.73i)2-s + (7.10 + 40.2i)3-s + (49.0 + 41.1i)4-s + (−241. + 202. i)5-s + (56.8 − 322. i)6-s + (−369. + 640. i)7-s + (−256. − 443. i)8-s + (482. − 175. i)9-s + (2.36e3 − 861. i)10-s + (195. + 338. i)11-s + (−1.30e3 + 2.26e3i)12-s + (838. − 4.75e3i)13-s + (4.52e3 − 3.80e3i)14-s + (−9.87e3 − 8.28e3i)15-s + (711. + 4.03e3i)16-s + (−1.47e4 − 5.38e3i)17-s + ⋯
L(s)  = 1  + (−0.664 − 0.241i)2-s + (0.151 + 0.861i)3-s + (0.383 + 0.321i)4-s + (−0.863 + 0.724i)5-s + (0.107 − 0.609i)6-s + (−0.407 + 0.705i)7-s + (−0.176 − 0.306i)8-s + (0.220 − 0.0802i)9-s + (0.748 − 0.272i)10-s + (0.0442 + 0.0766i)11-s + (−0.218 + 0.378i)12-s + (0.105 − 0.600i)13-s + (0.441 − 0.370i)14-s + (−0.755 − 0.633i)15-s + (0.0434 + 0.246i)16-s + (−0.730 − 0.265i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.798 + 0.601i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.798 + 0.601i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $-0.798 + 0.601i$
Analytic conductor: \(11.8706\)
Root analytic conductor: \(3.44537\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (23, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :7/2),\ -0.798 + 0.601i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.0559198 - 0.167260i\)
\(L(\frac12)\) \(\approx\) \(0.0559198 - 0.167260i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (7.51 + 2.73i)T \)
19 \( 1 + (2.56e4 + 1.53e4i)T \)
good3 \( 1 + (-7.10 - 40.2i)T + (-2.05e3 + 747. i)T^{2} \)
5 \( 1 + (241. - 202. i)T + (1.35e4 - 7.69e4i)T^{2} \)
7 \( 1 + (369. - 640. i)T + (-4.11e5 - 7.13e5i)T^{2} \)
11 \( 1 + (-195. - 338. i)T + (-9.74e6 + 1.68e7i)T^{2} \)
13 \( 1 + (-838. + 4.75e3i)T + (-5.89e7 - 2.14e7i)T^{2} \)
17 \( 1 + (1.47e4 + 5.38e3i)T + (3.14e8 + 2.63e8i)T^{2} \)
23 \( 1 + (6.85e4 + 5.75e4i)T + (5.91e8 + 3.35e9i)T^{2} \)
29 \( 1 + (2.83e4 - 1.03e4i)T + (1.32e10 - 1.10e10i)T^{2} \)
31 \( 1 + (-1.03e5 + 1.78e5i)T + (-1.37e10 - 2.38e10i)T^{2} \)
37 \( 1 - 2.09e5T + 9.49e10T^{2} \)
41 \( 1 + (-3.17e4 - 1.79e5i)T + (-1.83e11 + 6.66e10i)T^{2} \)
43 \( 1 + (3.59e5 - 3.01e5i)T + (4.72e10 - 2.67e11i)T^{2} \)
47 \( 1 + (3.33e5 - 1.21e5i)T + (3.88e11 - 3.25e11i)T^{2} \)
53 \( 1 + (7.98e5 + 6.69e5i)T + (2.03e11 + 1.15e12i)T^{2} \)
59 \( 1 + (9.73e5 + 3.54e5i)T + (1.90e12 + 1.59e12i)T^{2} \)
61 \( 1 + (-1.48e6 - 1.24e6i)T + (5.45e11 + 3.09e12i)T^{2} \)
67 \( 1 + (1.51e6 - 5.50e5i)T + (4.64e12 - 3.89e12i)T^{2} \)
71 \( 1 + (1.30e6 - 1.09e6i)T + (1.57e12 - 8.95e12i)T^{2} \)
73 \( 1 + (8.17e5 + 4.63e6i)T + (-1.03e13 + 3.77e12i)T^{2} \)
79 \( 1 + (-7.85e4 - 4.45e5i)T + (-1.80e13 + 6.56e12i)T^{2} \)
83 \( 1 + (4.60e6 - 7.97e6i)T + (-1.35e13 - 2.35e13i)T^{2} \)
89 \( 1 + (1.37e6 - 7.81e6i)T + (-4.15e13 - 1.51e13i)T^{2} \)
97 \( 1 + (7.71e6 + 2.80e6i)T + (6.18e13 + 5.19e13i)T^{2} \)
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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

−15.48049161478419741799790629353, −14.91647057627067445394362316530, −12.85154902980313111224829709093, −11.52699560112470132009748954821, −10.49208794880352532963263627882, −9.392315246621308850626875370722, −8.092315481077346974135216062779, −6.52821543466956261902081748523, −4.19318170476774969911078483617, −2.74433870951767970466636153654, 0.094013286943387819348158788779, 1.60228040620431960949110757141, 4.17759446319303934033513867381, 6.50568073410617079899123860243, 7.63808888590678180123949698321, 8.614585788991105480208157027862, 10.19573870450845261759165063540, 11.71732562703713108680093265944, 12.81172453720140904514073228869, 13.93753161373544305406450087514

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