Properties

Label 2-1536-8.5-c1-0-9
Degree $2$
Conductor $1536$
Sign $-i$
Analytic cond. $12.2650$
Root an. cond. $3.50214$
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  + i·3-s − 1.41i·5-s + 4.24·7-s − 9-s + 6i·11-s + 5.65i·13-s + 1.41·15-s − 6·17-s − 4i·19-s + 4.24i·21-s − 2.82·23-s + 2.99·25-s i·27-s + 1.41i·29-s − 1.41·31-s + ⋯
L(s)  = 1  + 0.577i·3-s − 0.632i·5-s + 1.60·7-s − 0.333·9-s + 1.80i·11-s + 1.56i·13-s + 0.365·15-s − 1.45·17-s − 0.917i·19-s + 0.925i·21-s − 0.589·23-s + 0.599·25-s − 0.192i·27-s + 0.262i·29-s − 0.254·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1536 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1536 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1536\)    =    \(2^{9} \cdot 3\)
Sign: $-i$
Analytic conductor: \(12.2650\)
Root analytic conductor: \(3.50214\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1536} (769, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1536,\ (\ :1/2),\ -i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.739350662\)
\(L(\frac12)\) \(\approx\) \(1.739350662\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - iT \)
good5 \( 1 + 1.41iT - 5T^{2} \)
7 \( 1 - 4.24T + 7T^{2} \)
11 \( 1 - 6iT - 11T^{2} \)
13 \( 1 - 5.65iT - 13T^{2} \)
17 \( 1 + 6T + 17T^{2} \)
19 \( 1 + 4iT - 19T^{2} \)
23 \( 1 + 2.82T + 23T^{2} \)
29 \( 1 - 1.41iT - 29T^{2} \)
31 \( 1 + 1.41T + 31T^{2} \)
37 \( 1 - 8.48iT - 37T^{2} \)
41 \( 1 - 2T + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 - 2.82T + 47T^{2} \)
53 \( 1 - 9.89iT - 53T^{2} \)
59 \( 1 - 4iT - 59T^{2} \)
61 \( 1 + 8.48iT - 61T^{2} \)
67 \( 1 + 8iT - 67T^{2} \)
71 \( 1 - 2.82T + 71T^{2} \)
73 \( 1 + 8T + 73T^{2} \)
79 \( 1 - 12.7T + 79T^{2} \)
83 \( 1 + 2iT - 83T^{2} \)
89 \( 1 + 2T + 89T^{2} \)
97 \( 1 - 2T + 97T^{2} \)
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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

−9.354645445473843158903176205269, −9.055999623120787120241688236311, −8.199547494583343494725290669488, −7.25707712284242350679201042158, −6.53831527705011687095527797070, −5.05328345852048839220373226192, −4.56658796897671523681622390349, −4.28781478118713908139072943339, −2.31393935281418529212285917885, −1.60181474126501741136921801089, 0.68965853604184405565575827159, 2.03547712999414382622382547343, 3.03358164120905729934056503887, 4.09541131555695810006852240627, 5.41139737298482303099850265332, 5.85231550382732688502712607515, 6.89075077343429651326380444043, 7.895167854410691283736157855780, 8.236053303963820257269288766720, 8.927742756417351200857507592519

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