Properties

Label 2-864-3.2-c2-0-18
Degree $2$
Conductor $864$
Sign $i$
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  + 4.47i·5-s − 9.32·7-s + 19.0i·11-s − 23.9·13-s − 30.3i·17-s + 21.6·19-s − 13.4i·23-s + 4.99·25-s − 42.8i·29-s + 19.2·31-s − 41.7i·35-s + 25.9·37-s + 10.7i·41-s − 32.5·43-s − 28.9i·47-s + ⋯
L(s)  = 1  + 0.894i·5-s − 1.33·7-s + 1.73i·11-s − 1.84·13-s − 1.78i·17-s + 1.13·19-s − 0.583i·23-s + 0.199·25-s − 1.47i·29-s + 0.622·31-s − 1.19i·35-s + 0.701·37-s + 0.262i·41-s − 0.758·43-s − 0.615i·47-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(864\)    =    \(2^{5} \cdot 3^{3}\)
Sign: $i$
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: \((2,\ 864,\ (\ :1),\ i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.5552317120\)
\(L(\frac12)\) \(\approx\) \(0.5552317120\)
\(L(2)\) 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 \( 1 - 4.47iT - 25T^{2} \)
7 \( 1 + 9.32T + 49T^{2} \)
11 \( 1 - 19.0iT - 121T^{2} \)
13 \( 1 + 23.9T + 169T^{2} \)
17 \( 1 + 30.3iT - 289T^{2} \)
19 \( 1 - 21.6T + 361T^{2} \)
23 \( 1 + 13.4iT - 529T^{2} \)
29 \( 1 + 42.8iT - 841T^{2} \)
31 \( 1 - 19.2T + 961T^{2} \)
37 \( 1 - 25.9T + 1.36e3T^{2} \)
41 \( 1 - 10.7iT - 1.68e3T^{2} \)
43 \( 1 + 32.5T + 1.84e3T^{2} \)
47 \( 1 + 28.9iT - 2.20e3T^{2} \)
53 \( 1 + 58.9iT - 2.80e3T^{2} \)
59 \( 1 - 68.5iT - 3.48e3T^{2} \)
61 \( 1 + 2.02T + 3.72e3T^{2} \)
67 \( 1 - 70.2T + 4.48e3T^{2} \)
71 \( 1 + 2.90iT - 5.04e3T^{2} \)
73 \( 1 + 70.9T + 5.32e3T^{2} \)
79 \( 1 + 32.6T + 6.24e3T^{2} \)
83 \( 1 - 41.0iT - 6.88e3T^{2} \)
89 \( 1 + 116. iT - 7.92e3T^{2} \)
97 \( 1 - 5.05T + 9.40e3T^{2} \)
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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

−9.867190935112600139484273051742, −9.392235421478455349923191420172, −7.69133330975330313858088481815, −7.05734641868560598149574728678, −6.67398193956104723782106450900, −5.24716315765645375948911377310, −4.40495153437006374972599248386, −2.90386255949169844673606575618, −2.48352160256755629077886219502, −0.20279621277503081602205843170, 1.10453917596096461645815789925, 2.87394610637789981164479373316, 3.65828549424655762143028133808, 4.98960073697254520735105318037, 5.77968109785528714197548504778, 6.63523238446375620733744329127, 7.72392246127413743560448644503, 8.599742722051412229665647984062, 9.340708313690051217989239602456, 10.02171236087980636811908860898

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