Properties

Label 2-864-3.2-c2-0-4
Degree $2$
Conductor $864$
Sign $-1$
Analytic cond. $23.5422$
Root an. cond. $4.85204$
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  + 7.37i·5-s + 1.26·7-s + 5.82i·11-s − 10.4·13-s + 18.3i·17-s − 20.8·19-s − 20.4i·23-s − 29.4·25-s + 11.1i·29-s + 61.3·31-s + 9.34i·35-s − 38.4·37-s − 33.0i·41-s − 49.3·43-s + 21.5i·47-s + ⋯
L(s)  = 1  + 1.47i·5-s + 0.180·7-s + 0.529i·11-s − 0.806·13-s + 1.07i·17-s − 1.09·19-s − 0.890i·23-s − 1.17·25-s + 0.385i·29-s + 1.97·31-s + 0.266i·35-s − 1.03·37-s − 0.807i·41-s − 1.14·43-s + 0.459i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(864\)    =    \(2^{5} \cdot 3^{3}\)
Sign: $-1$
Analytic conductor: \(23.5422\)
Root analytic conductor: \(4.85204\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{864} (161, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 864,\ (\ :1),\ -1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.8077232154\)
\(L(\frac12)\) \(\approx\) \(0.8077232154\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
good5 \( 1 - 7.37iT - 25T^{2} \)
7 \( 1 - 1.26T + 49T^{2} \)
11 \( 1 - 5.82iT - 121T^{2} \)
13 \( 1 + 10.4T + 169T^{2} \)
17 \( 1 - 18.3iT - 289T^{2} \)
19 \( 1 + 20.8T + 361T^{2} \)
23 \( 1 + 20.4iT - 529T^{2} \)
29 \( 1 - 11.1iT - 841T^{2} \)
31 \( 1 - 61.3T + 961T^{2} \)
37 \( 1 + 38.4T + 1.36e3T^{2} \)
41 \( 1 + 33.0iT - 1.68e3T^{2} \)
43 \( 1 + 49.3T + 1.84e3T^{2} \)
47 \( 1 - 21.5iT - 2.20e3T^{2} \)
53 \( 1 + 77.5iT - 2.80e3T^{2} \)
59 \( 1 - 25.7iT - 3.48e3T^{2} \)
61 \( 1 + 55.8T + 3.72e3T^{2} \)
67 \( 1 - 91.0T + 4.48e3T^{2} \)
71 \( 1 + 114. iT - 5.04e3T^{2} \)
73 \( 1 + 120.T + 5.32e3T^{2} \)
79 \( 1 + 8.21T + 6.24e3T^{2} \)
83 \( 1 - 150. iT - 6.88e3T^{2} \)
89 \( 1 - 118. iT - 7.92e3T^{2} \)
97 \( 1 + 72.8T + 9.40e3T^{2} \)
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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

−10.40618859224512183716562991614, −9.862915810209248310694454483426, −8.564200276568251982432385452103, −7.82427825265752861306532623169, −6.67600074884769577538899225736, −6.49828626600065738269363285512, −5.03948347179334508897889582175, −4.00933761571991179900017938507, −2.86565008736382194231257202476, −1.96046035274488664661615819744, 0.25659421368053854390674822334, 1.51324066690022645921240430737, 2.92662509774570393933209609099, 4.40979757213520169153261040079, 4.93688857640087056998332056554, 5.88619593876182706671158144288, 7.02040550135559155310762557725, 8.107388488416502439851327509001, 8.619708354032375203386299833848, 9.504650142515587180090263880538

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