Properties

Label 2-38-19.12-c8-0-9
Degree $2$
Conductor $38$
Sign $-0.972 + 0.234i$
Analytic cond. $15.4803$
Root an. cond. $3.93451$
Motivic weight $8$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (9.79 − 5.65i)2-s + (−3.23 + 1.86i)3-s + (63.9 − 110. i)4-s + (−499. − 864. i)5-s + (−21.1 + 36.5i)6-s + 3.10e3·7-s − 1.44e3i·8-s + (−3.27e3 + 5.66e3i)9-s + (−9.78e3 − 5.64e3i)10-s − 2.37e4·11-s + 478. i·12-s + (−4.57e3 − 2.63e3i)13-s + (3.04e4 − 1.75e4i)14-s + (3.22e3 + 1.86e3i)15-s + (−8.19e3 − 1.41e4i)16-s + (−4.60e4 − 7.97e4i)17-s + ⋯
L(s)  = 1  + (0.612 − 0.353i)2-s + (−0.0399 + 0.0230i)3-s + (0.249 − 0.433i)4-s + (−0.798 − 1.38i)5-s + (−0.0163 + 0.0282i)6-s + 1.29·7-s − 0.353i·8-s + (−0.498 + 0.864i)9-s + (−0.978 − 0.564i)10-s − 1.62·11-s + 0.0230i·12-s + (−0.160 − 0.0924i)13-s + (0.792 − 0.457i)14-s + (0.0637 + 0.0368i)15-s + (−0.125 − 0.216i)16-s + (−0.551 − 0.954i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.972 + 0.234i)\, \overline{\Lambda}(9-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+4) \, L(s)\cr =\mathstrut & (-0.972 + 0.234i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $-0.972 + 0.234i$
Analytic conductor: \(15.4803\)
Root analytic conductor: \(3.93451\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (31, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :4),\ -0.972 + 0.234i)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(0.163425 - 1.37355i\)
\(L(\frac12)\) \(\approx\) \(0.163425 - 1.37355i\)
\(L(5)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-9.79 + 5.65i)T \)
19 \( 1 + (9.86e4 + 8.51e4i)T \)
good3 \( 1 + (3.23 - 1.86i)T + (3.28e3 - 5.68e3i)T^{2} \)
5 \( 1 + (499. + 864. i)T + (-1.95e5 + 3.38e5i)T^{2} \)
7 \( 1 - 3.10e3T + 5.76e6T^{2} \)
11 \( 1 + 2.37e4T + 2.14e8T^{2} \)
13 \( 1 + (4.57e3 + 2.63e3i)T + (4.07e8 + 7.06e8i)T^{2} \)
17 \( 1 + (4.60e4 + 7.97e4i)T + (-3.48e9 + 6.04e9i)T^{2} \)
23 \( 1 + (-9.67e4 + 1.67e5i)T + (-3.91e10 - 6.78e10i)T^{2} \)
29 \( 1 + (-1.09e5 - 6.31e4i)T + (2.50e11 + 4.33e11i)T^{2} \)
31 \( 1 + 1.20e5iT - 8.52e11T^{2} \)
37 \( 1 - 3.31e6iT - 3.51e12T^{2} \)
41 \( 1 + (-3.62e6 + 2.09e6i)T + (3.99e12 - 6.91e12i)T^{2} \)
43 \( 1 + (1.80e5 + 3.12e5i)T + (-5.84e12 + 1.01e13i)T^{2} \)
47 \( 1 + (-3.03e6 + 5.25e6i)T + (-1.19e13 - 2.06e13i)T^{2} \)
53 \( 1 + (4.95e5 + 2.86e5i)T + (3.11e13 + 5.39e13i)T^{2} \)
59 \( 1 + (-8.86e5 + 5.11e5i)T + (7.34e13 - 1.27e14i)T^{2} \)
61 \( 1 + (-1.16e7 + 2.01e7i)T + (-9.58e13 - 1.66e14i)T^{2} \)
67 \( 1 + (1.53e7 + 8.87e6i)T + (2.03e14 + 3.51e14i)T^{2} \)
71 \( 1 + (-3.44e7 + 1.98e7i)T + (3.22e14 - 5.59e14i)T^{2} \)
73 \( 1 + (9.67e6 + 1.67e7i)T + (-4.03e14 + 6.98e14i)T^{2} \)
79 \( 1 + (-1.94e7 + 1.12e7i)T + (7.58e14 - 1.31e15i)T^{2} \)
83 \( 1 + 6.28e7T + 2.25e15T^{2} \)
89 \( 1 + (-3.79e6 - 2.19e6i)T + (1.96e15 + 3.40e15i)T^{2} \)
97 \( 1 + (-1.48e8 + 8.58e7i)T + (3.91e15 - 6.78e15i)T^{2} \)
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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

−13.73133564333595293397231043835, −12.81009462520581896350384528669, −11.59686417757764609143351636408, −10.72672586303634590806044979561, −8.627438044604043639039450524951, −7.75360935483060519746526768234, −5.03975323001766780306343553207, −4.76607895540606726190194708614, −2.33149573647393660346615229249, −0.42832487874291901827809471851, 2.57801189079960270995433711317, 4.08503520520725518768389940848, 5.82394583776731301847245601777, 7.33494084136219195333170690314, 8.263014377742839726293166977875, 10.69757985319182206210356349477, 11.34973197170892949019896841190, 12.70402351342480189378890719588, 14.36536803524815791500278545743, 14.89454925406075557464843832746

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