Properties

Label 2-1664-8.5-c1-0-44
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 − 3.82i·5-s − 3.82·7-s + 2·9-s − 4.82i·11-s i·13-s − 3.82·15-s + 6.65·17-s − 4i·19-s + 3.82i·21-s + 3.17·23-s − 9.65·25-s − 5i·27-s + 3.17i·29-s − 4.82·33-s + ⋯
L(s)  = 1  − 0.577i·3-s − 1.71i·5-s − 1.44·7-s + 0.666·9-s − 1.45i·11-s − 0.277i·13-s − 0.988·15-s + 1.61·17-s − 0.917i·19-s + 0.835i·21-s + 0.661·23-s − 1.93·25-s − 0.962i·27-s + 0.588i·29-s − 0.840·33-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

\(L(1)\) \(\approx\) \(1.319562917\)
\(L(\frac12)\) \(\approx\) \(1.319562917\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.82iT - 5T^{2} \)
7 \( 1 + 3.82T + 7T^{2} \)
11 \( 1 + 4.82iT - 11T^{2} \)
17 \( 1 - 6.65T + 17T^{2} \)
19 \( 1 + 4iT - 19T^{2} \)
23 \( 1 - 3.17T + 23T^{2} \)
29 \( 1 - 3.17iT - 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 3.82iT - 37T^{2} \)
41 \( 1 + 2.82T + 41T^{2} \)
43 \( 1 - 3iT - 43T^{2} \)
47 \( 1 + 11.4T + 47T^{2} \)
53 \( 1 + 3.17iT - 53T^{2} \)
59 \( 1 - 5.17iT - 59T^{2} \)
61 \( 1 - 10.8iT - 61T^{2} \)
67 \( 1 - 3.65iT - 67T^{2} \)
71 \( 1 - 10.1T + 71T^{2} \)
73 \( 1 + 5.17T + 73T^{2} \)
79 \( 1 + 7.65T + 79T^{2} \)
83 \( 1 - 6iT - 83T^{2} \)
89 \( 1 - 17.6T + 89T^{2} \)
97 \( 1 + 14.4T + 97T^{2} \)
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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

−8.942805314875948784480640973249, −8.275256935335078245836838577897, −7.43027805763581241714681152038, −6.49555083645606059862516911874, −5.69783543697088954948748130588, −4.99427480882994889157505820577, −3.78538856769736039610229217096, −2.97143567693439979278116289642, −1.25721173096117824178596601706, −0.55881012528911345339383383343, 1.91561348347838985988382611515, 3.23943789179362477024018036808, 3.52035506803693140023263619047, 4.68505225335158643445240062285, 5.90540722223318409395320809984, 6.72238219399123496399359574048, 7.14133337642790199125666238086, 7.941118030439146049134725950432, 9.563602948454538897134971442903, 9.857937462364912010351302590808

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