Properties

Label 1-79-79.78-r1-0-0
Degree $1$
Conductor $79$
Sign $1$
Analytic cond. $8.48972$
Root an. cond. $8.48972$
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

\[\begin{aligned}\Lambda(s)=\mathstrut & 79 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 79 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(79\)
Sign: $1$
Analytic conductor: \(8.48972\)
Root analytic conductor: \(8.48972\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{79} (78, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 79,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(2.700360921\)
\(L(\frac12)\) \(\approx\) \(2.700360921\)
\(L(1)\) \(\approx\) \(1.767283942\)
\(L(1)\) \(\approx\) \(1.767283942\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad79 \( 1 \)
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 \( 1 + T \)
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

−30.68358034974079237310677886471, −29.7195251294510546157497565014, −28.94700751018617629623641340055, −28.233448325375724699591778602803, −26.375487460715074987144174317832, −25.14092645174356715836722426441, −24.365129416210414050644238862157, −22.90071311658847917527897749780, −22.40065830760721059643677620366, −21.49825758241748941086239053326, −20.28606729690541477249467568433, −18.77920366376857385493639433272, −17.32968088359014878143636459701, −16.4370615355295614803399695706, −15.37837822853404269695340278458, −13.70126095905041503764610577051, −13.0264037453284194984112464751, −11.769771030938999370368512198739, −10.65636041802132783286354515039, −9.38933148107311761708893358496, −6.762211042998195975623374744878, −6.25702467824181093607360901198, −5.019924093927836233834444108, −3.44180406603687118064045090486, −1.466837987990898739497210662567, 1.466837987990898739497210662567, 3.44180406603687118064045090486, 5.019924093927836233834444108, 6.25702467824181093607360901198, 6.762211042998195975623374744878, 9.38933148107311761708893358496, 10.65636041802132783286354515039, 11.769771030938999370368512198739, 13.0264037453284194984112464751, 13.70126095905041503764610577051, 15.37837822853404269695340278458, 16.4370615355295614803399695706, 17.32968088359014878143636459701, 18.77920366376857385493639433272, 20.28606729690541477249467568433, 21.49825758241748941086239053326, 22.40065830760721059643677620366, 22.90071311658847917527897749780, 24.365129416210414050644238862157, 25.14092645174356715836722426441, 26.375487460715074987144174317832, 28.233448325375724699591778602803, 28.94700751018617629623641340055, 29.7195251294510546157497565014, 30.68358034974079237310677886471

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