Properties

Label 2-15870-1.1-c1-0-8
Degree $2$
Conductor $15870$
Sign $1$
Analytic cond. $126.722$
Root an. cond. $11.2571$
Motivic weight $1$
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 + 8-s + 9-s − 10-s − 4·11-s + 12-s − 2·13-s − 15-s + 16-s + 6·17-s + 18-s − 4·19-s − 20-s − 4·22-s + 24-s + 25-s − 2·26-s + 27-s − 2·29-s − 30-s + 32-s − 4·33-s + 6·34-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577·3-s + 1/2·4-s − 0.447·5-s + 0.408·6-s + 0.353·8-s + 1/3·9-s − 0.316·10-s − 1.20·11-s + 0.288·12-s − 0.554·13-s − 0.258·15-s + 1/4·16-s + 1.45·17-s + 0.235·18-s − 0.917·19-s − 0.223·20-s − 0.852·22-s + 0.204·24-s + 1/5·25-s − 0.392·26-s + 0.192·27-s − 0.371·29-s − 0.182·30-s + 0.176·32-s − 0.696·33-s + 1.02·34-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 15870 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 15870 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(15870\)    =    \(2 \cdot 3 \cdot 5 \cdot 23^{2}\)
Sign: $1$
Analytic conductor: \(126.722\)
Root analytic conductor: \(11.2571\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 15870,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.495210382\)
\(L(\frac12)\) \(\approx\) \(3.495210382\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 - T \)
5 \( 1 + T \)
23 \( 1 \)
good7 \( 1 + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 - 12 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 + 18 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−15.70506621210930, −15.46806192333191, −14.69072255136574, −14.41663814610289, −13.89308565253634, −13.05100753761670, −12.62332074898766, −12.45332963366098, −11.47002922172573, −11.01797966778741, −10.33722192281353, −9.828581687317533, −9.180999770893100, −8.218907080700686, −7.882507637848893, −7.430180734568715, −6.671400986189318, −5.860669479401961, −5.267580314185694, −4.612253584949235, −3.941444104349471, −3.210555042013640, −2.627111190431267, −1.912937616846843, −0.6781922150984094, 0.6781922150984094, 1.912937616846843, 2.627111190431267, 3.210555042013640, 3.941444104349471, 4.612253584949235, 5.267580314185694, 5.860669479401961, 6.671400986189318, 7.430180734568715, 7.882507637848893, 8.218907080700686, 9.180999770893100, 9.828581687317533, 10.33722192281353, 11.01797966778741, 11.47002922172573, 12.45332963366098, 12.62332074898766, 13.05100753761670, 13.89308565253634, 14.41663814610289, 14.69072255136574, 15.46806192333191, 15.70506621210930

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