Properties

Label 2-1536-8.5-c1-0-3
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 − 3.95i·5-s − 1.63·7-s − 9-s + 4.82i·11-s + 5.59i·13-s − 3.95·15-s − 0.828·17-s + 2.82i·19-s + 1.63i·21-s − 7.91·23-s − 10.6·25-s + i·27-s − 7.23i·29-s − 1.63·31-s + ⋯
L(s)  = 1  − 0.577i·3-s − 1.76i·5-s − 0.619·7-s − 0.333·9-s + 1.45i·11-s + 1.55i·13-s − 1.02·15-s − 0.200·17-s + 0.648i·19-s + 0.357i·21-s − 1.65·23-s − 2.13·25-s + 0.192i·27-s − 1.34i·29-s − 0.294·31-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

\(L(1)\) \(\approx\) \(0.4006788031\)
\(L(\frac12)\) \(\approx\) \(0.4006788031\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.95iT - 5T^{2} \)
7 \( 1 + 1.63T + 7T^{2} \)
11 \( 1 - 4.82iT - 11T^{2} \)
13 \( 1 - 5.59iT - 13T^{2} \)
17 \( 1 + 0.828T + 17T^{2} \)
19 \( 1 - 2.82iT - 19T^{2} \)
23 \( 1 + 7.91T + 23T^{2} \)
29 \( 1 + 7.23iT - 29T^{2} \)
31 \( 1 + 1.63T + 31T^{2} \)
37 \( 1 - 2.31iT - 37T^{2} \)
41 \( 1 + 3.17T + 41T^{2} \)
43 \( 1 - 4.48iT - 43T^{2} \)
47 \( 1 - 7.91T + 47T^{2} \)
53 \( 1 - 0.678iT - 53T^{2} \)
59 \( 1 - 9.65iT - 59T^{2} \)
61 \( 1 + 2.31iT - 61T^{2} \)
67 \( 1 - 13.6iT - 67T^{2} \)
71 \( 1 - 3.27T + 71T^{2} \)
73 \( 1 + 4T + 73T^{2} \)
79 \( 1 - 1.63T + 79T^{2} \)
83 \( 1 + 8.82iT - 83T^{2} \)
89 \( 1 + 10T + 89T^{2} \)
97 \( 1 - 11.6T + 97T^{2} \)
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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

−9.626773549234287960828997214971, −8.867705437044137277706542497436, −8.108147874813732808246910064292, −7.31909108444403033636449595695, −6.38260043504711079282094373234, −5.61012978869602186053911611789, −4.42533826572649461921467566899, −4.12454477789166858404887755935, −2.18694414754632655103660959913, −1.48317428202289539014438016199, 0.15069980009300507145075836019, 2.49479590549808739686846296922, 3.30705778276571865386709057276, 3.68137890389513033364219019005, 5.33691288070195906172429499493, 6.03982322379945189611046942631, 6.69182267359749754261500590996, 7.66106890498229097129342387105, 8.417519694677254787188388181933, 9.426408104590171163705206252522

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