Properties

Label 1-51-51.50-r1-0-0
Degree $1$
Conductor $51$
Sign $1$
Analytic cond. $5.48071$
Root an. cond. $5.48071$
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 + 4-s + 5-s − 7-s − 8-s − 10-s + 11-s + 13-s + 14-s + 16-s + 19-s + 20-s − 22-s + 23-s + 25-s − 26-s − 28-s + 29-s − 31-s − 32-s − 35-s − 37-s − 38-s − 40-s + 41-s + 43-s + 44-s + ⋯
L(s)  = 1  − 2-s + 4-s + 5-s − 7-s − 8-s − 10-s + 11-s + 13-s + 14-s + 16-s + 19-s + 20-s − 22-s + 23-s + 25-s − 26-s − 28-s + 29-s − 31-s − 32-s − 35-s − 37-s − 38-s − 40-s + 41-s + 43-s + 44-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 51 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 51 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(51\)    =    \(3 \cdot 17\)
Sign: $1$
Analytic conductor: \(5.48071\)
Root analytic conductor: \(5.48071\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{51} (50, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 51,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.170343006\)
\(L(\frac12)\) \(\approx\) \(1.170343006\)
\(L(1)\) \(\approx\) \(0.8798219249\)
\(L(1)\) \(\approx\) \(0.8798219249\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
17 \( 1 \)
good2 \( 1 - T \)
5 \( 1 + T \)
7 \( 1 - T \)
11 \( 1 + T \)
13 \( 1 + T \)
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

−33.09869394216564081159271016679, −32.79324138370125404493943352195, −30.70184816406532019097135596160, −29.46215763381464506773198725632, −28.817917596257666582009131918744, −27.640015665735691382734448525715, −26.26235870190654948660914894829, −25.45301265391250462208825059694, −24.59344331055706125032484083793, −22.76267450500585636101443204126, −21.44366500133620954157291946194, −20.23558873162871550875155429587, −19.06464386143708039029066352161, −17.92663682454653922236327297602, −16.83154612982430641502771913646, −15.804262608644272073404801132213, −14.0996495675154905864822826984, −12.60915778160047693382425905940, −11.00335155908981631145070351494, −9.68157968562557281317528926504, −8.90344823883406652361740796753, −6.92450645055312231767231855101, −5.92634090948389307180183727785, −3.13894144062052336872300193917, −1.26789064670733730699447432749, 1.26789064670733730699447432749, 3.13894144062052336872300193917, 5.92634090948389307180183727785, 6.92450645055312231767231855101, 8.90344823883406652361740796753, 9.68157968562557281317528926504, 11.00335155908981631145070351494, 12.60915778160047693382425905940, 14.0996495675154905864822826984, 15.804262608644272073404801132213, 16.83154612982430641502771913646, 17.92663682454653922236327297602, 19.06464386143708039029066352161, 20.23558873162871550875155429587, 21.44366500133620954157291946194, 22.76267450500585636101443204126, 24.59344331055706125032484083793, 25.45301265391250462208825059694, 26.26235870190654948660914894829, 27.640015665735691382734448525715, 28.817917596257666582009131918744, 29.46215763381464506773198725632, 30.70184816406532019097135596160, 32.79324138370125404493943352195, 33.09869394216564081159271016679

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