Properties

Label 2-810-3.2-c2-0-4
Degree $2$
Conductor $810$
Sign $-i$
Analytic cond. $22.0709$
Root an. cond. $4.69796$
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  − 1.41i·2-s − 2.00·4-s + 2.23i·5-s − 1.06·7-s + 2.82i·8-s + 3.16·10-s + 0.743i·11-s − 3.34·13-s + 1.50i·14-s + 4.00·16-s − 27.5i·17-s + 6.98·19-s − 4.47i·20-s + 1.05·22-s + 31.9i·23-s + ⋯
L(s)  = 1  − 0.707i·2-s − 0.500·4-s + 0.447i·5-s − 0.151·7-s + 0.353i·8-s + 0.316·10-s + 0.0675i·11-s − 0.257·13-s + 0.107i·14-s + 0.250·16-s − 1.62i·17-s + 0.367·19-s − 0.223i·20-s + 0.0477·22-s + 1.38i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 810 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 810 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(810\)    =    \(2 \cdot 3^{4} \cdot 5\)
Sign: $-i$
Analytic conductor: \(22.0709\)
Root analytic conductor: \(4.69796\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{810} (161, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 810,\ (\ :1),\ -i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.6981695643\)
\(L(\frac12)\) \(\approx\) \(0.6981695643\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 1.41iT \)
3 \( 1 \)
5 \( 1 - 2.23iT \)
good7 \( 1 + 1.06T + 49T^{2} \)
11 \( 1 - 0.743iT - 121T^{2} \)
13 \( 1 + 3.34T + 169T^{2} \)
17 \( 1 + 27.5iT - 289T^{2} \)
19 \( 1 - 6.98T + 361T^{2} \)
23 \( 1 - 31.9iT - 529T^{2} \)
29 \( 1 - 48.9iT - 841T^{2} \)
31 \( 1 + 47.6T + 961T^{2} \)
37 \( 1 + 31.0T + 1.36e3T^{2} \)
41 \( 1 - 3.95iT - 1.68e3T^{2} \)
43 \( 1 + 2.93T + 1.84e3T^{2} \)
47 \( 1 - 67.9iT - 2.20e3T^{2} \)
53 \( 1 - 40.2iT - 2.80e3T^{2} \)
59 \( 1 - 7.63iT - 3.48e3T^{2} \)
61 \( 1 - 66.5T + 3.72e3T^{2} \)
67 \( 1 + 23.1T + 4.48e3T^{2} \)
71 \( 1 - 103. iT - 5.04e3T^{2} \)
73 \( 1 + 127.T + 5.32e3T^{2} \)
79 \( 1 + 53.8T + 6.24e3T^{2} \)
83 \( 1 + 96.2iT - 6.88e3T^{2} \)
89 \( 1 - 54.5iT - 7.92e3T^{2} \)
97 \( 1 + 40.4T + 9.40e3T^{2} \)
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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

−10.28097368530386303067545986126, −9.476608200000072264816730627427, −8.914579927345182233383591434395, −7.53748659789227394002086942787, −7.04851346880608601947509879349, −5.64233635929329736015265911662, −4.87309549588299135139500778715, −3.55290748280356609515732830131, −2.81063948627980814993746525638, −1.44812738972558057628546339892, 0.23653998284348764922500713510, 1.93014570941731228284661198040, 3.58313084179476109013421820327, 4.49181874821930126654352968674, 5.53925284201178411811381627454, 6.29808893952676854191668881825, 7.24017263704706710115552641107, 8.240570722787287986929595453417, 8.726414845104979603020106180327, 9.785710856710900509289637132436

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