Properties

Label 2-1664-8.5-c1-0-26
Degree $2$
Conductor $1664$
Sign $1$
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  + i·3-s − 1.82i·5-s + 1.82·7-s + 2·9-s − 0.828i·11-s + i·13-s + 1.82·15-s − 4.65·17-s + 4i·19-s + 1.82i·21-s + 8.82·23-s + 1.65·25-s + 5i·27-s − 8.82i·29-s + 0.828·33-s + ⋯
L(s)  = 1  + 0.577i·3-s − 0.817i·5-s + 0.691·7-s + 0.666·9-s − 0.249i·11-s + 0.277i·13-s + 0.472·15-s − 1.12·17-s + 0.917i·19-s + 0.398i·21-s + 1.84·23-s + 0.331·25-s + 0.962i·27-s − 1.63i·29-s + 0.144·33-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1664\)    =    \(2^{7} \cdot 13\)
Sign: $1$
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: \((2,\ 1664,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.013114253\)
\(L(\frac12)\) \(\approx\) \(2.013114253\)
\(L(\frac{3}{2})\) 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 \( 1 - iT - 3T^{2} \)
5 \( 1 + 1.82iT - 5T^{2} \)
7 \( 1 - 1.82T + 7T^{2} \)
11 \( 1 + 0.828iT - 11T^{2} \)
17 \( 1 + 4.65T + 17T^{2} \)
19 \( 1 - 4iT - 19T^{2} \)
23 \( 1 - 8.82T + 23T^{2} \)
29 \( 1 + 8.82iT - 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 1.82iT - 37T^{2} \)
41 \( 1 - 2.82T + 41T^{2} \)
43 \( 1 + 3iT - 43T^{2} \)
47 \( 1 - 5.48T + 47T^{2} \)
53 \( 1 - 8.82iT - 53T^{2} \)
59 \( 1 + 10.8iT - 59T^{2} \)
61 \( 1 + 5.17iT - 61T^{2} \)
67 \( 1 - 7.65iT - 67T^{2} \)
71 \( 1 - 15.8T + 71T^{2} \)
73 \( 1 + 10.8T + 73T^{2} \)
79 \( 1 - 3.65T + 79T^{2} \)
83 \( 1 + 6iT - 83T^{2} \)
89 \( 1 - 6.34T + 89T^{2} \)
97 \( 1 - 2.48T + 97T^{2} \)
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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

−9.224495297065983412175736417356, −8.766915103619767284264409567024, −7.88411604219452976815487352505, −7.03841279147405011291846260153, −6.02170081358184721245694996384, −4.93706443314795119455595915785, −4.55409126448597055793321081573, −3.64339351356686632142130673678, −2.18016300308326187144496956476, −1.00584802973442929444495773786, 1.10993560892171497698362763882, 2.27622455078625036309342255901, 3.18803340054070142600587721623, 4.51531206893552616575774820732, 5.13067665464011777641277480322, 6.50715947781835614679005544326, 6.99263132645719490536824334116, 7.50292658493509646956408853473, 8.597494349157749621647714498634, 9.219024705022413816986815223073

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