Properties

Label 2-38-19.6-c7-0-8
Degree $2$
Conductor $38$
Sign $-0.445 + 0.895i$
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  + (6.12 − 5.14i)2-s + (26.6 + 9.69i)3-s + (11.1 − 63.0i)4-s + (−62.1 − 352. i)5-s + (213. − 77.5i)6-s + (−141. + 245. i)7-s + (−256. − 443. i)8-s + (−1.05e3 − 889. i)9-s + (−2.19e3 − 1.83e3i)10-s + (−926. − 1.60e3i)11-s + (907. − 1.57e3i)12-s + (8.08e3 − 2.94e3i)13-s + (393. + 2.23e3i)14-s + (1.76e3 − 9.98e3i)15-s + (−3.84e3 − 1.40e3i)16-s + (3.61e3 − 3.03e3i)17-s + ⋯
L(s)  = 1  + (0.541 − 0.454i)2-s + (0.569 + 0.207i)3-s + (0.0868 − 0.492i)4-s + (−0.222 − 1.26i)5-s + (0.402 − 0.146i)6-s + (−0.156 + 0.270i)7-s + (−0.176 − 0.306i)8-s + (−0.484 − 0.406i)9-s + (−0.693 − 0.581i)10-s + (−0.209 − 0.363i)11-s + (0.151 − 0.262i)12-s + (1.02 − 0.371i)13-s + (0.0383 + 0.217i)14-s + (0.134 − 0.764i)15-s + (−0.234 − 0.0855i)16-s + (0.178 − 0.149i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.445 + 0.895i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.445 + 0.895i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $-0.445 + 0.895i$
Analytic conductor: \(11.8706\)
Root analytic conductor: \(3.44537\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :7/2),\ -0.445 + 0.895i)\)

Particular Values

\(L(4)\) \(\approx\) \(1.24767 - 2.01326i\)
\(L(\frac12)\) \(\approx\) \(1.24767 - 2.01326i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-6.12 + 5.14i)T \)
19 \( 1 + (2.43e4 + 1.73e4i)T \)
good3 \( 1 + (-26.6 - 9.69i)T + (1.67e3 + 1.40e3i)T^{2} \)
5 \( 1 + (62.1 + 352. i)T + (-7.34e4 + 2.67e4i)T^{2} \)
7 \( 1 + (141. - 245. i)T + (-4.11e5 - 7.13e5i)T^{2} \)
11 \( 1 + (926. + 1.60e3i)T + (-9.74e6 + 1.68e7i)T^{2} \)
13 \( 1 + (-8.08e3 + 2.94e3i)T + (4.80e7 - 4.03e7i)T^{2} \)
17 \( 1 + (-3.61e3 + 3.03e3i)T + (7.12e7 - 4.04e8i)T^{2} \)
23 \( 1 + (-3.90e3 + 2.21e4i)T + (-3.19e9 - 1.16e9i)T^{2} \)
29 \( 1 + (-1.87e5 - 1.56e5i)T + (2.99e9 + 1.69e10i)T^{2} \)
31 \( 1 + (1.75e4 - 3.03e4i)T + (-1.37e10 - 2.38e10i)T^{2} \)
37 \( 1 - 1.77e5T + 9.49e10T^{2} \)
41 \( 1 + (-4.78e5 - 1.74e5i)T + (1.49e11 + 1.25e11i)T^{2} \)
43 \( 1 + (-3.02e4 - 1.71e5i)T + (-2.55e11 + 9.29e10i)T^{2} \)
47 \( 1 + (-3.53e5 - 2.96e5i)T + (8.79e10 + 4.98e11i)T^{2} \)
53 \( 1 + (1.08e5 - 6.14e5i)T + (-1.10e12 - 4.01e11i)T^{2} \)
59 \( 1 + (-7.37e5 + 6.18e5i)T + (4.32e11 - 2.45e12i)T^{2} \)
61 \( 1 + (-5.29e4 + 3.00e5i)T + (-2.95e12 - 1.07e12i)T^{2} \)
67 \( 1 + (-1.31e5 - 1.10e5i)T + (1.05e12 + 5.96e12i)T^{2} \)
71 \( 1 + (9.38e5 + 5.31e6i)T + (-8.54e12 + 3.11e12i)T^{2} \)
73 \( 1 + (4.02e6 + 1.46e6i)T + (8.46e12 + 7.10e12i)T^{2} \)
79 \( 1 + (1.63e6 + 5.96e5i)T + (1.47e13 + 1.23e13i)T^{2} \)
83 \( 1 + (3.90e6 - 6.76e6i)T + (-1.35e13 - 2.35e13i)T^{2} \)
89 \( 1 + (-1.12e7 + 4.10e6i)T + (3.38e13 - 2.84e13i)T^{2} \)
97 \( 1 + (1.52e6 - 1.27e6i)T + (1.40e13 - 7.95e13i)T^{2} \)
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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

−14.25307211532894835670733915777, −13.09364495878563784584543899118, −12.22893587570848733811073053752, −10.85262999141603486769728083753, −9.141366114278274544745018234894, −8.402135899905637507632786049137, −6.00598459348989537036128459343, −4.50560250382341823658164556658, −2.98342678045736836047341470177, −0.845659541946209000447883729021, 2.51225126101711480433374153046, 3.89084279812613567863444591076, 6.06757374801093617806237210942, 7.29718271895207796345468726234, 8.451958232572321156084751156585, 10.39319651650716725204794449673, 11.55106868667800007034166537638, 13.19248144716289264903097411022, 14.12446701560477472029082154922, 14.89659622880981507767166824407

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