Properties

Label 2-864-3.2-c2-0-21
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  + 3.17i·5-s − 5.48·7-s − 2.48i·11-s − 5.48·13-s + 8.82i·17-s − 1.97·19-s − 38.4i·23-s + 14.9·25-s − 17.6i·29-s − 18·31-s − 17.3i·35-s − 18.4·37-s − 30.3i·41-s + 39.9·43-s − 53.3i·47-s + ⋯
L(s)  = 1  + 0.634i·5-s − 0.783·7-s − 0.225i·11-s − 0.421·13-s + 0.519i·17-s − 0.103·19-s − 1.67i·23-s + 0.597·25-s − 0.608i·29-s − 0.580·31-s − 0.497i·35-s − 0.498·37-s − 0.740i·41-s + 0.928·43-s − 1.13i·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

\(L(\frac{3}{2})\) \(\approx\) \(0.9350776045\)
\(L(\frac12)\) \(\approx\) \(0.9350776045\)
\(L(2)\) 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 \( 1 - 3.17iT - 25T^{2} \)
7 \( 1 + 5.48T + 49T^{2} \)
11 \( 1 + 2.48iT - 121T^{2} \)
13 \( 1 + 5.48T + 169T^{2} \)
17 \( 1 - 8.82iT - 289T^{2} \)
19 \( 1 + 1.97T + 361T^{2} \)
23 \( 1 + 38.4iT - 529T^{2} \)
29 \( 1 + 17.6iT - 841T^{2} \)
31 \( 1 + 18T + 961T^{2} \)
37 \( 1 + 18.4T + 1.36e3T^{2} \)
41 \( 1 + 30.3iT - 1.68e3T^{2} \)
43 \( 1 - 39.9T + 1.84e3T^{2} \)
47 \( 1 + 53.3iT - 2.20e3T^{2} \)
53 \( 1 - 26.2iT - 2.80e3T^{2} \)
59 \( 1 + 89.3iT - 3.48e3T^{2} \)
61 \( 1 - 63.3T + 3.72e3T^{2} \)
67 \( 1 - 84.9T + 4.48e3T^{2} \)
71 \( 1 + 91.8iT - 5.04e3T^{2} \)
73 \( 1 + 1.97T + 5.32e3T^{2} \)
79 \( 1 + 106.T + 6.24e3T^{2} \)
83 \( 1 + 96.8iT - 6.88e3T^{2} \)
89 \( 1 - 160. iT - 7.92e3T^{2} \)
97 \( 1 + 95.9T + 9.40e3T^{2} \)
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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

−9.879696390209968317570968349196, −8.933674081983007344689757104216, −8.098585743647878571660345066670, −6.96065501351079927083006891998, −6.47759611464149719156289750149, −5.44475051265547762042478966621, −4.21491573629785285115053325603, −3.20226187790343887427544810914, −2.22613409302549191809087842174, −0.32638341885875522128353258962, 1.23049117949734598887690059642, 2.72371343904528801458088184236, 3.80240868384187541856244196741, 4.93384814371801639663250300887, 5.70172411765442369903496250520, 6.84754712568976336006457524310, 7.53469043235883728982510244969, 8.636403603174926453251961046136, 9.414772892989145771455777868657, 9.932566547595774372434073419301

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