Properties

Label 2-84-1.1-c3-0-1
Degree $2$
Conductor $84$
Sign $1$
Analytic cond. $4.95616$
Root an. cond. $2.22624$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s + 14·5-s − 7·7-s + 9·9-s + 4·11-s + 54·13-s + 42·15-s − 14·17-s + 92·19-s − 21·21-s − 152·23-s + 71·25-s + 27·27-s − 106·29-s − 144·31-s + 12·33-s − 98·35-s + 158·37-s + 162·39-s − 390·41-s − 508·43-s + 126·45-s − 528·47-s + 49·49-s − 42·51-s + 606·53-s + 56·55-s + ⋯
L(s)  = 1  + 0.577·3-s + 1.25·5-s − 0.377·7-s + 1/3·9-s + 0.109·11-s + 1.15·13-s + 0.722·15-s − 0.199·17-s + 1.11·19-s − 0.218·21-s − 1.37·23-s + 0.567·25-s + 0.192·27-s − 0.678·29-s − 0.834·31-s + 0.0633·33-s − 0.473·35-s + 0.702·37-s + 0.665·39-s − 1.48·41-s − 1.80·43-s + 0.417·45-s − 1.63·47-s + 1/7·49-s − 0.115·51-s + 1.57·53-s + 0.137·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 84 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 84 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(84\)    =    \(2^{2} \cdot 3 \cdot 7\)
Sign: $1$
Analytic conductor: \(4.95616\)
Root analytic conductor: \(2.22624\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 84,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.110947014\)
\(L(\frac12)\) \(\approx\) \(2.110947014\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - p T \)
7 \( 1 + p T \)
good5 \( 1 - 14 T + p^{3} T^{2} \)
11 \( 1 - 4 T + p^{3} T^{2} \)
13 \( 1 - 54 T + p^{3} T^{2} \)
17 \( 1 + 14 T + p^{3} T^{2} \)
19 \( 1 - 92 T + p^{3} T^{2} \)
23 \( 1 + 152 T + p^{3} T^{2} \)
29 \( 1 + 106 T + p^{3} T^{2} \)
31 \( 1 + 144 T + p^{3} T^{2} \)
37 \( 1 - 158 T + p^{3} T^{2} \)
41 \( 1 + 390 T + p^{3} T^{2} \)
43 \( 1 + 508 T + p^{3} T^{2} \)
47 \( 1 + 528 T + p^{3} T^{2} \)
53 \( 1 - 606 T + p^{3} T^{2} \)
59 \( 1 + 364 T + p^{3} T^{2} \)
61 \( 1 - 678 T + p^{3} T^{2} \)
67 \( 1 - 844 T + p^{3} T^{2} \)
71 \( 1 + 8 T + p^{3} T^{2} \)
73 \( 1 + 422 T + p^{3} T^{2} \)
79 \( 1 - 384 T + p^{3} T^{2} \)
83 \( 1 + 548 T + p^{3} T^{2} \)
89 \( 1 - 1194 T + p^{3} T^{2} \)
97 \( 1 + 1502 T + p^{3} T^{2} \)
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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

−13.61045143602081356968925505363, −13.17280224070887644369620931583, −11.61953290530631660942745782021, −10.16029493914475941599106264168, −9.442543966698980303383585798568, −8.266563216992068196997599658452, −6.66830121119897235013143547927, −5.52983004146289528330926984739, −3.53869853400353661775319926359, −1.80472185195327873760292891635, 1.80472185195327873760292891635, 3.53869853400353661775319926359, 5.52983004146289528330926984739, 6.66830121119897235013143547927, 8.266563216992068196997599658452, 9.442543966698980303383585798568, 10.16029493914475941599106264168, 11.61953290530631660942745782021, 13.17280224070887644369620931583, 13.61045143602081356968925505363

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