Properties

Label 1-239-239.238-r1-0-0
Degree $1$
Conductor $239$
Sign $1$
Analytic cond. $25.6841$
Root an. cond. $25.6841$
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

\[\begin{aligned}\Lambda(s)=\mathstrut & 239 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 239 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(239\)
Sign: $1$
Analytic conductor: \(25.6841\)
Root analytic conductor: \(25.6841\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{239} (238, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 239,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(5.999656238\)
\(L(\frac12)\) \(\approx\) \(5.999656238\)
\(L(1)\) \(\approx\) \(3.048191033\)
\(L(1)\) \(\approx\) \(3.048191033\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad239 \( 1 \)
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

−25.60508485977741275278592510674, −25.1163674104731750738621505485, −24.36676486814668059717776604754, −23.10790676955752710928937839444, −21.99084946154301647258002202260, −21.58598211259357641224973940182, −20.51141316993130405142799340128, −19.61856079967804902450615535754, −18.98032740736430143908758825323, −17.27397609663823143706270924439, −16.40688356688606174307839529215, −15.2608509097296805646480490650, −14.32021953735057321817384874797, −13.81961781520180592123975452812, −12.756134637546639276007825493374, −12.0960240955773604076310168012, −10.16170750097920561235259108956, −9.79002055879142391592879804796, −8.36294248505074812308056341262, −6.894552102421987626837985139766, −6.28165603793688808739543953718, −4.8417909650967718195071232333, −3.60622840196448289993570005114, −2.669124478877619292466489390, −1.60129099812799297030028865969, 1.60129099812799297030028865969, 2.669124478877619292466489390, 3.60622840196448289993570005114, 4.8417909650967718195071232333, 6.28165603793688808739543953718, 6.894552102421987626837985139766, 8.36294248505074812308056341262, 9.79002055879142391592879804796, 10.16170750097920561235259108956, 12.0960240955773604076310168012, 12.756134637546639276007825493374, 13.81961781520180592123975452812, 14.32021953735057321817384874797, 15.2608509097296805646480490650, 16.40688356688606174307839529215, 17.27397609663823143706270924439, 18.98032740736430143908758825323, 19.61856079967804902450615535754, 20.51141316993130405142799340128, 21.58598211259357641224973940182, 21.99084946154301647258002202260, 23.10790676955752710928937839444, 24.36676486814668059717776604754, 25.1163674104731750738621505485, 25.60508485977741275278592510674

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