Properties

Label 2-108-108.31-c2-0-14
Degree $2$
Conductor $108$
Sign $0.694 + 0.719i$
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  + (−1.08 − 1.67i)2-s + (−2.24 + 1.98i)3-s + (−1.62 + 3.65i)4-s + (0.641 − 3.64i)5-s + (5.78 + 1.59i)6-s + (2.33 + 2.78i)7-s + (7.90 − 1.25i)8-s + (1.08 − 8.93i)9-s + (−6.80 + 2.89i)10-s + (15.6 − 2.76i)11-s + (−3.61 − 11.4i)12-s + (13.1 − 4.78i)13-s + (2.12 − 6.95i)14-s + (5.80 + 9.45i)15-s + (−10.7 − 11.8i)16-s + (4.98 − 8.63i)17-s + ⋯
L(s)  = 1  + (−0.544 − 0.838i)2-s + (−0.748 + 0.663i)3-s + (−0.406 + 0.913i)4-s + (0.128 − 0.728i)5-s + (0.963 + 0.266i)6-s + (0.333 + 0.397i)7-s + (0.987 − 0.156i)8-s + (0.120 − 0.992i)9-s + (−0.680 + 0.289i)10-s + (1.42 − 0.251i)11-s + (−0.301 − 0.953i)12-s + (1.01 − 0.367i)13-s + (0.151 − 0.496i)14-s + (0.386 + 0.630i)15-s + (−0.669 − 0.742i)16-s + (0.293 − 0.507i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 108 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.694 + 0.719i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 108 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.694 + 0.719i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(108\)    =    \(2^{2} \cdot 3^{3}\)
Sign: $0.694 + 0.719i$
Analytic conductor: \(2.94278\)
Root analytic conductor: \(1.71545\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{108} (31, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 108,\ (\ :1),\ 0.694 + 0.719i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.826811 - 0.351292i\)
\(L(\frac12)\) \(\approx\) \(0.826811 - 0.351292i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.08 + 1.67i)T \)
3 \( 1 + (2.24 - 1.98i)T \)
good5 \( 1 + (-0.641 + 3.64i)T + (-23.4 - 8.55i)T^{2} \)
7 \( 1 + (-2.33 - 2.78i)T + (-8.50 + 48.2i)T^{2} \)
11 \( 1 + (-15.6 + 2.76i)T + (113. - 41.3i)T^{2} \)
13 \( 1 + (-13.1 + 4.78i)T + (129. - 108. i)T^{2} \)
17 \( 1 + (-4.98 + 8.63i)T + (-144.5 - 250. i)T^{2} \)
19 \( 1 + (14.6 - 8.46i)T + (180.5 - 312. i)T^{2} \)
23 \( 1 + (-0.374 + 0.446i)T + (-91.8 - 520. i)T^{2} \)
29 \( 1 + (-16.6 - 6.04i)T + (644. + 540. i)T^{2} \)
31 \( 1 + (-18.3 + 21.8i)T + (-166. - 946. i)T^{2} \)
37 \( 1 + (31.7 - 55.0i)T + (-684.5 - 1.18e3i)T^{2} \)
41 \( 1 + (-59.2 + 21.5i)T + (1.28e3 - 1.08e3i)T^{2} \)
43 \( 1 + (1.70 - 0.300i)T + (1.73e3 - 632. i)T^{2} \)
47 \( 1 + (51.7 + 61.6i)T + (-383. + 2.17e3i)T^{2} \)
53 \( 1 + 66.4T + 2.80e3T^{2} \)
59 \( 1 + (65.4 + 11.5i)T + (3.27e3 + 1.19e3i)T^{2} \)
61 \( 1 + (-5.43 + 4.55i)T + (646. - 3.66e3i)T^{2} \)
67 \( 1 + (-12.7 - 35.1i)T + (-3.43e3 + 2.88e3i)T^{2} \)
71 \( 1 + (12.7 + 7.38i)T + (2.52e3 + 4.36e3i)T^{2} \)
73 \( 1 + (-66.1 - 114. i)T + (-2.66e3 + 4.61e3i)T^{2} \)
79 \( 1 + (-24.4 + 67.1i)T + (-4.78e3 - 4.01e3i)T^{2} \)
83 \( 1 + (8.25 - 22.6i)T + (-5.27e3 - 4.42e3i)T^{2} \)
89 \( 1 + (29.6 + 51.3i)T + (-3.96e3 + 6.85e3i)T^{2} \)
97 \( 1 + (-13.3 - 75.5i)T + (-8.84e3 + 3.21e3i)T^{2} \)
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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

−12.90734794260554765338885840051, −11.95628394776696899926740250926, −11.31625897203040899239265384791, −10.19389454006360981701503902576, −9.124684689193667100505272689573, −8.422197444643829188678146783709, −6.40030163781469979867905834602, −4.88897697883979866518958526694, −3.65816587940860386411814334296, −1.14405162026324001025051364040, 1.39103163863817116340183433526, 4.45522374898636021516215056084, 6.23003329943980467041868442281, 6.65314811099593149219009330194, 7.86331396981996919093123801426, 9.124685039947313160393492834528, 10.61128956140273515171941324585, 11.16221210987877335425727314773, 12.59949476391395978918943675060, 13.98818034371915661102986598208

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