Properties

Label 1-1777-1777.1776-r0-0-0
Degree $1$
Conductor $1777$
Sign $1$
Analytic cond. $8.25235$
Root an. cond. $8.25235$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 3-s + 4-s − 5-s + 6-s − 7-s + 8-s + 9-s − 10-s − 11-s + 12-s + 13-s − 14-s − 15-s + 16-s + 17-s + 18-s − 19-s − 20-s − 21-s − 22-s + 23-s + 24-s + 25-s + 26-s + 27-s − 28-s + ⋯
L(s)  = 1  + 2-s + 3-s + 4-s − 5-s + 6-s − 7-s + 8-s + 9-s − 10-s − 11-s + 12-s + 13-s − 14-s − 15-s + 16-s + 17-s + 18-s − 19-s − 20-s − 21-s − 22-s + 23-s + 24-s + 25-s + 26-s + 27-s − 28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1777 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1777 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(1777\)
Sign: $1$
Analytic conductor: \(8.25235\)
Root analytic conductor: \(8.25235\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{1777} (1776, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 1777,\ (0:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(3.714107683\)
\(L(\frac12)\) \(\approx\) \(3.714107683\)
\(L(1)\) \(\approx\) \(2.259211658\)
\(L(1)\) \(\approx\) \(2.259211658\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad1777 \( 1 \)
good2 \( 1 + T \)
3 \( 1 + T \)
5 \( 1 - T \)
7 \( 1 - T \)
11 \( 1 - T \)
13 \( 1 + T \)
17 \( 1 + T \)
19 \( 1 - T \)
23 \( 1 + T \)
29 \( 1 - T \)
31 \( 1 + T \)
37 \( 1 + T \)
41 \( 1 - T \)
43 \( 1 + T \)
47 \( 1 - T \)
53 \( 1 + T \)
59 \( 1 + T \)
61 \( 1 - T \)
67 \( 1 + T \)
71 \( 1 + T \)
73 \( 1 + T \)
79 \( 1 - T \)
83 \( 1 - T \)
89 \( 1 - T \)
97 \( 1 + T \)
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   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−20.27405781989555772171566192103, −19.64124649610267716416998771591, −18.87329144144293239585017466762, −18.60501381875913101633718839974, −16.80753324942461502380856885938, −16.23447296547740273319079466184, −15.46565119145758220462093574284, −15.195521258546149673767869586061, −14.31830449861400584737582296853, −13.34330175417570285960751075531, −12.95541582369924354887084472964, −12.37268798493004718145995272131, −11.283886108127963377857183441934, −10.55797026116172982112072278287, −9.766920152608852927796353253645, −8.58116470303610540130445721360, −7.97138486413638500204778328873, −7.18984020818666906799481014899, −6.47885276000459571709592568399, −5.43974557618345361593007107328, −4.39405127798472042303891526617, −3.67680776242757788854633768288, −3.120754798922729742616082364145, −2.40785132808461401827423896149, −1.03825733659848533780468331498, 1.03825733659848533780468331498, 2.40785132808461401827423896149, 3.120754798922729742616082364145, 3.67680776242757788854633768288, 4.39405127798472042303891526617, 5.43974557618345361593007107328, 6.47885276000459571709592568399, 7.18984020818666906799481014899, 7.97138486413638500204778328873, 8.58116470303610540130445721360, 9.766920152608852927796353253645, 10.55797026116172982112072278287, 11.283886108127963377857183441934, 12.37268798493004718145995272131, 12.95541582369924354887084472964, 13.34330175417570285960751075531, 14.31830449861400584737582296853, 15.195521258546149673767869586061, 15.46565119145758220462093574284, 16.23447296547740273319079466184, 16.80753324942461502380856885938, 18.60501381875913101633718839974, 18.87329144144293239585017466762, 19.64124649610267716416998771591, 20.27405781989555772171566192103

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