Properties

Label 2-1664-8.5-c1-0-33
Degree $2$
Conductor $1664$
Sign $i$
Analytic cond. $13.2871$
Root an. cond. $3.64514$
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  − 1.86i·3-s − 1.48i·5-s + 2.55·7-s − 0.484·9-s + 1.59i·11-s + i·13-s − 2.77·15-s + 4.76·17-s − 3.51i·19-s − 4.76i·21-s + 3.73·23-s + 2.79·25-s − 4.69i·27-s + 2i·29-s + 0.685·31-s + ⋯
L(s)  = 1  − 1.07i·3-s − 0.664i·5-s + 0.964·7-s − 0.161·9-s + 0.479i·11-s + 0.277i·13-s − 0.715·15-s + 1.15·17-s − 0.806i·19-s − 1.03i·21-s + 0.778·23-s + 0.559·25-s − 0.903i·27-s + 0.371i·29-s + 0.123·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1664\)    =    \(2^{7} \cdot 13\)
Sign: $i$
Analytic conductor: \(13.2871\)
Root analytic conductor: \(3.64514\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1664} (833, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1664,\ (\ :1/2),\ i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.109876855\)
\(L(\frac12)\) \(\approx\) \(2.109876855\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
13 \( 1 - iT \)
good3 \( 1 + 1.86iT - 3T^{2} \)
5 \( 1 + 1.48iT - 5T^{2} \)
7 \( 1 - 2.55T + 7T^{2} \)
11 \( 1 - 1.59iT - 11T^{2} \)
17 \( 1 - 4.76T + 17T^{2} \)
19 \( 1 + 3.51iT - 19T^{2} \)
23 \( 1 - 3.73T + 23T^{2} \)
29 \( 1 - 2iT - 29T^{2} \)
31 \( 1 - 0.685T + 31T^{2} \)
37 \( 1 - 1.73iT - 37T^{2} \)
41 \( 1 - 7.52T + 41T^{2} \)
43 \( 1 + 4.69iT - 43T^{2} \)
47 \( 1 + 5.38T + 47T^{2} \)
53 \( 1 - 5.52iT - 53T^{2} \)
59 \( 1 + 10.9iT - 59T^{2} \)
61 \( 1 - 12.4iT - 61T^{2} \)
67 \( 1 - 2.96iT - 67T^{2} \)
71 \( 1 + 11.3T + 71T^{2} \)
73 \( 1 + 9.46T + 73T^{2} \)
79 \( 1 + 6.91T + 79T^{2} \)
83 \( 1 + 4.06iT - 83T^{2} \)
89 \( 1 - 0.969T + 89T^{2} \)
97 \( 1 - 3.93T + 97T^{2} \)
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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

−8.946436033881004843746374001472, −8.314207168827939927355778213784, −7.45129165552161431740639602900, −7.05765714577829839926618403570, −5.94664090425854791031630649473, −4.99670318693973525976417797600, −4.38384221863674028192681088788, −2.88249339932109190646056009083, −1.68653237838944244783703347060, −0.983765087756470031980646848329, 1.34147868104949462142268910606, 2.87912147039192400376989343315, 3.64211030024093452397676517727, 4.60119900219469503302451664651, 5.33324247883696388052487346533, 6.18336561209684263026230328774, 7.34073904029902780441761124044, 7.984838690239413391764291525552, 8.838997379425023881722561023639, 9.733088762417380577911701743556

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