Properties

Label 2-1664-104.5-c0-0-4
Degree $2$
Conductor $1664$
Sign $0.289 + 0.957i$
Analytic cond. $0.830444$
Root an. cond. $0.911287$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1 − i)5-s + 9-s + i·13-s − 2i·17-s + i·25-s − 2i·29-s + (1 − i)37-s + (−1 + i)41-s + (−1 − i)45-s i·49-s + (1 − i)65-s + (−1 − i)73-s + 81-s + (−2 + 2i)85-s + (1 + i)89-s + ⋯
L(s)  = 1  + (−1 − i)5-s + 9-s + i·13-s − 2i·17-s + i·25-s − 2i·29-s + (1 − i)37-s + (−1 + i)41-s + (−1 − i)45-s i·49-s + (1 − i)65-s + (−1 − i)73-s + 81-s + (−2 + 2i)85-s + (1 + i)89-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.289 + 0.957i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1664 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.289 + 0.957i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1664\)    =    \(2^{7} \cdot 13\)
Sign: $0.289 + 0.957i$
Analytic conductor: \(0.830444\)
Root analytic conductor: \(0.911287\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1664} (577, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1664,\ (\ :0),\ 0.289 + 0.957i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.9392047845\)
\(L(\frac12)\) \(\approx\) \(0.9392047845\)
\(L(1)\) 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 \( 1 - T^{2} \)
5 \( 1 + (1 + i)T + iT^{2} \)
7 \( 1 + iT^{2} \)
11 \( 1 - iT^{2} \)
17 \( 1 + 2iT - T^{2} \)
19 \( 1 + iT^{2} \)
23 \( 1 - T^{2} \)
29 \( 1 + 2iT - T^{2} \)
31 \( 1 - iT^{2} \)
37 \( 1 + (-1 + i)T - iT^{2} \)
41 \( 1 + (1 - i)T - iT^{2} \)
43 \( 1 + T^{2} \)
47 \( 1 + iT^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - iT^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 + iT^{2} \)
71 \( 1 - iT^{2} \)
73 \( 1 + (1 + i)T + iT^{2} \)
79 \( 1 + T^{2} \)
83 \( 1 + iT^{2} \)
89 \( 1 + (-1 - i)T + iT^{2} \)
97 \( 1 + (1 - i)T - iT^{2} \)
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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

−9.443209324123311570506459525250, −8.621745981374991045954408374429, −7.70953982723144769501676124840, −7.23902719302082973997568305311, −6.25358471597462808416465145008, −4.91134577547504508322264037924, −4.51872712443457607324640001117, −3.68351378634853099999805986151, −2.24072947671345282529433791208, −0.795084613688709256617665855902, 1.55089733187465623481227557059, 3.06555430641955359528754255813, 3.70814329232601336453696535017, 4.57493613459585662711747673934, 5.77266566402226963463868519554, 6.68924796063920943655820143661, 7.33448658195151888617681655397, 8.033814652208775802003079464087, 8.732394179160508428706444883108, 10.00698073733697786821651286726

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