Properties

Label 2-3e4-27.16-c1-0-1
Degree $2$
Conductor $81$
Sign $0.558 - 0.829i$
Analytic cond. $0.646788$
Root an. cond. $0.804231$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.62 + 1.36i)2-s + (0.430 + 2.44i)4-s + (−2.52 − 0.917i)5-s + (0.168 − 0.957i)7-s + (−0.508 + 0.880i)8-s + (−2.83 − 4.91i)10-s + (−0.297 + 0.108i)11-s + (−1.15 + 0.973i)13-s + (1.57 − 1.32i)14-s + (2.63 − 0.960i)16-s + (0.587 + 1.01i)17-s + (−3.11 + 5.38i)19-s + (1.15 − 6.55i)20-s + (−0.630 − 0.229i)22-s + (−0.375 − 2.12i)23-s + ⋯
L(s)  = 1  + (1.14 + 0.962i)2-s + (0.215 + 1.22i)4-s + (−1.12 − 0.410i)5-s + (0.0638 − 0.361i)7-s + (−0.179 + 0.311i)8-s + (−0.897 − 1.55i)10-s + (−0.0897 + 0.0326i)11-s + (−0.321 + 0.269i)13-s + (0.421 − 0.353i)14-s + (0.659 − 0.240i)16-s + (0.142 + 0.246i)17-s + (−0.713 + 1.23i)19-s + (0.258 − 1.46i)20-s + (−0.134 − 0.0489i)22-s + (−0.0783 − 0.444i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.558 - 0.829i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.558 - 0.829i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $0.558 - 0.829i$
Analytic conductor: \(0.646788\)
Root analytic conductor: \(0.804231\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{81} (46, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 81,\ (\ :1/2),\ 0.558 - 0.829i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.23885 + 0.659796i\)
\(L(\frac12)\) \(\approx\) \(1.23885 + 0.659796i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 + (-1.62 - 1.36i)T + (0.347 + 1.96i)T^{2} \)
5 \( 1 + (2.52 + 0.917i)T + (3.83 + 3.21i)T^{2} \)
7 \( 1 + (-0.168 + 0.957i)T + (-6.57 - 2.39i)T^{2} \)
11 \( 1 + (0.297 - 0.108i)T + (8.42 - 7.07i)T^{2} \)
13 \( 1 + (1.15 - 0.973i)T + (2.25 - 12.8i)T^{2} \)
17 \( 1 + (-0.587 - 1.01i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (3.11 - 5.38i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (0.375 + 2.12i)T + (-21.6 + 7.86i)T^{2} \)
29 \( 1 + (-3.37 - 2.83i)T + (5.03 + 28.5i)T^{2} \)
31 \( 1 + (1.50 + 8.54i)T + (-29.1 + 10.6i)T^{2} \)
37 \( 1 + (-2.23 - 3.86i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + (4.47 - 3.75i)T + (7.11 - 40.3i)T^{2} \)
43 \( 1 + (5.25 - 1.91i)T + (32.9 - 27.6i)T^{2} \)
47 \( 1 + (-0.429 + 2.43i)T + (-44.1 - 16.0i)T^{2} \)
53 \( 1 - 10.8T + 53T^{2} \)
59 \( 1 + (1.62 + 0.589i)T + (45.1 + 37.9i)T^{2} \)
61 \( 1 + (-0.176 + 0.999i)T + (-57.3 - 20.8i)T^{2} \)
67 \( 1 + (-0.656 + 0.550i)T + (11.6 - 65.9i)T^{2} \)
71 \( 1 + (4.79 + 8.31i)T + (-35.5 + 61.4i)T^{2} \)
73 \( 1 + (-7.62 + 13.1i)T + (-36.5 - 63.2i)T^{2} \)
79 \( 1 + (8.59 + 7.20i)T + (13.7 + 77.7i)T^{2} \)
83 \( 1 + (3.58 + 3.01i)T + (14.4 + 81.7i)T^{2} \)
89 \( 1 + (7.74 - 13.4i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (-5.21 + 1.89i)T + (74.3 - 62.3i)T^{2} \)
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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

−14.73608939961004257307027385860, −13.60214617812699396629547393585, −12.57118518474986973730110368133, −11.78304709076329305515119407364, −10.22043161540038811857623339827, −8.327147249132452417193232130330, −7.47590079156417937225021135284, −6.19662256635009239446625293031, −4.69640221119488074749108962563, −3.79087644557024191915964516651, 2.73169922799128222426771254845, 4.02206801099561134492346145659, 5.29266228537374159111820897485, 7.10445485098415492195622758903, 8.530733050308317175443283904714, 10.32696695861243282350167302515, 11.32681938190540223859830565455, 11.99554850056090211367680382707, 12.94257002574004850007043128460, 14.05014563551942498906646946443

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