Properties

Label 2-108-108.7-c2-0-15
Degree $2$
Conductor $108$
Sign $0.990 + 0.134i$
Analytic cond. $2.94278$
Root an. cond. $1.71545$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.95 + 0.424i)2-s + (0.0189 + 2.99i)3-s + (3.63 − 1.65i)4-s + (−1.07 − 6.12i)5-s + (−1.30 − 5.85i)6-s + (6.40 − 7.62i)7-s + (−6.41 + 4.78i)8-s + (−8.99 + 0.113i)9-s + (4.70 + 11.5i)10-s + (12.4 + 2.19i)11-s + (5.04 + 10.8i)12-s + (12.1 + 4.42i)13-s + (−9.27 + 17.6i)14-s + (18.3 − 3.35i)15-s + (10.4 − 12.0i)16-s + (−9.19 − 15.9i)17-s + ⋯
L(s)  = 1  + (−0.977 + 0.212i)2-s + (0.00631 + 0.999i)3-s + (0.909 − 0.414i)4-s + (−0.215 − 1.22i)5-s + (−0.218 − 0.975i)6-s + (0.914 − 1.08i)7-s + (−0.801 + 0.598i)8-s + (−0.999 + 0.0126i)9-s + (0.470 + 1.15i)10-s + (1.13 + 0.199i)11-s + (0.420 + 0.907i)12-s + (0.934 + 0.340i)13-s + (−0.662 + 1.25i)14-s + (1.22 − 0.223i)15-s + (0.656 − 0.754i)16-s + (−0.541 − 0.937i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 108 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.990 + 0.134i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 108 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.990 + 0.134i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(108\)    =    \(2^{2} \cdot 3^{3}\)
Sign: $0.990 + 0.134i$
Analytic conductor: \(2.94278\)
Root analytic conductor: \(1.71545\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{108} (7, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 108,\ (\ :1),\ 0.990 + 0.134i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.952375 - 0.0645411i\)
\(L(\frac12)\) \(\approx\) \(0.952375 - 0.0645411i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.95 - 0.424i)T \)
3 \( 1 + (-0.0189 - 2.99i)T \)
good5 \( 1 + (1.07 + 6.12i)T + (-23.4 + 8.55i)T^{2} \)
7 \( 1 + (-6.40 + 7.62i)T + (-8.50 - 48.2i)T^{2} \)
11 \( 1 + (-12.4 - 2.19i)T + (113. + 41.3i)T^{2} \)
13 \( 1 + (-12.1 - 4.42i)T + (129. + 108. i)T^{2} \)
17 \( 1 + (9.19 + 15.9i)T + (-144.5 + 250. i)T^{2} \)
19 \( 1 + (-4.75 - 2.74i)T + (180.5 + 312. i)T^{2} \)
23 \( 1 + (-6.65 - 7.92i)T + (-91.8 + 520. i)T^{2} \)
29 \( 1 + (-9.36 + 3.40i)T + (644. - 540. i)T^{2} \)
31 \( 1 + (-20.5 - 24.4i)T + (-166. + 946. i)T^{2} \)
37 \( 1 + (28.6 + 49.6i)T + (-684.5 + 1.18e3i)T^{2} \)
41 \( 1 + (8.81 + 3.20i)T + (1.28e3 + 1.08e3i)T^{2} \)
43 \( 1 + (65.6 + 11.5i)T + (1.73e3 + 632. i)T^{2} \)
47 \( 1 + (19.6 - 23.3i)T + (-383. - 2.17e3i)T^{2} \)
53 \( 1 - 59.3T + 2.80e3T^{2} \)
59 \( 1 + (-102. + 18.0i)T + (3.27e3 - 1.19e3i)T^{2} \)
61 \( 1 + (24.2 + 20.3i)T + (646. + 3.66e3i)T^{2} \)
67 \( 1 + (33.8 - 93.0i)T + (-3.43e3 - 2.88e3i)T^{2} \)
71 \( 1 + (72.6 - 41.9i)T + (2.52e3 - 4.36e3i)T^{2} \)
73 \( 1 + (45.9 - 79.5i)T + (-2.66e3 - 4.61e3i)T^{2} \)
79 \( 1 + (-25.9 - 71.1i)T + (-4.78e3 + 4.01e3i)T^{2} \)
83 \( 1 + (9.07 + 24.9i)T + (-5.27e3 + 4.42e3i)T^{2} \)
89 \( 1 + (53.2 - 92.3i)T + (-3.96e3 - 6.85e3i)T^{2} \)
97 \( 1 + (-0.0639 + 0.362i)T + (-8.84e3 - 3.21e3i)T^{2} \)
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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

−13.74616125078308435104902366936, −11.84010042144193490098648288990, −11.22618394332378545020683389151, −10.08360047670934431489623541786, −8.970698055574537562866863575722, −8.425027846264408234249501690997, −6.94629201328257272725827477304, −5.18757677722753527084241563711, −4.03266381210211581259843350877, −1.13472093811303062992206473952, 1.70096063124499945436100260475, 3.13237203986203802939039567327, 6.11147624637983319402430840841, 6.84133616107629701108227794063, 8.218431353058833362691884090843, 8.769122219456364237678798912487, 10.52395732390398726170867422647, 11.54329152574219870505925330315, 11.87068067572028446097464342181, 13.39770540583695105945623165551

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