Properties

Label 1-915-915.914-r1-0-0
Degree $1$
Conductor $915$
Sign $1$
Analytic cond. $98.3304$
Root an. cond. $98.3304$
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 + 7-s − 8-s + 11-s − 13-s − 14-s + 16-s − 17-s + 19-s − 22-s − 23-s + 26-s + 28-s + 29-s − 31-s − 32-s + 34-s + 37-s − 38-s − 41-s + 43-s + 44-s + 46-s + 47-s + 49-s − 52-s + ⋯
L(s)  = 1  − 2-s + 4-s + 7-s − 8-s + 11-s − 13-s − 14-s + 16-s − 17-s + 19-s − 22-s − 23-s + 26-s + 28-s + 29-s − 31-s − 32-s + 34-s + 37-s − 38-s − 41-s + 43-s + 44-s + 46-s + 47-s + 49-s − 52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 915 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 915 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(915\)    =    \(3 \cdot 5 \cdot 61\)
Sign: $1$
Analytic conductor: \(98.3304\)
Root analytic conductor: \(98.3304\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{915} (914, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 915,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.502485849\)
\(L(\frac12)\) \(\approx\) \(1.502485849\)
\(L(1)\) \(\approx\) \(0.8308627957\)
\(L(1)\) \(\approx\) \(0.8308627957\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 \)
61 \( 1 \)
good2 \( 1 - T \)
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 \( 1 + T \)
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

−21.88747701156733947131509334682, −20.514091198315445785695201585361, −20.10454443235284857078474313381, −19.3895674973801592785290431169, −18.37051382159256829118688765395, −17.69404218749881731752412830174, −17.205834907490256822865693557604, −16.29019070467204559789517117618, −15.44800858088245977230532958259, −14.5769494021970679135224801728, −13.98460816568452744141407167655, −12.50583386417821603904005829140, −11.73944858475573174253795036879, −11.21293587407372581573785043495, −10.19136630112533482028006377619, −9.38864283529383548795238493151, −8.6413454681331202733070654505, −7.739398035189489556986981430692, −7.056806754791235581170233137078, −6.08313785554983175136294898810, −4.98600623201739455607424924295, −3.91005468719411936648766788298, −2.54565859463529656799956813083, −1.73375720416775968670569766990, −0.68862504180570466637659808733, 0.68862504180570466637659808733, 1.73375720416775968670569766990, 2.54565859463529656799956813083, 3.91005468719411936648766788298, 4.98600623201739455607424924295, 6.08313785554983175136294898810, 7.056806754791235581170233137078, 7.739398035189489556986981430692, 8.6413454681331202733070654505, 9.38864283529383548795238493151, 10.19136630112533482028006377619, 11.21293587407372581573785043495, 11.73944858475573174253795036879, 12.50583386417821603904005829140, 13.98460816568452744141407167655, 14.5769494021970679135224801728, 15.44800858088245977230532958259, 16.29019070467204559789517117618, 17.205834907490256822865693557604, 17.69404218749881731752412830174, 18.37051382159256829118688765395, 19.3895674973801592785290431169, 20.10454443235284857078474313381, 20.514091198315445785695201585361, 21.88747701156733947131509334682

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