Properties

Label 2-816-1.1-c1-0-4
Degree $2$
Conductor $816$
Sign $1$
Analytic cond. $6.51579$
Root an. cond. $2.55260$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 3.27·5-s − 4·7-s + 9-s + 5.27·11-s − 3.27·13-s − 3.27·15-s + 17-s + 5.27·19-s + 4·21-s + 5.27·23-s + 5.72·25-s − 27-s + 2·29-s − 6.54·31-s − 5.27·33-s − 13.0·35-s + 4.54·37-s + 3.27·39-s + 0.725·41-s + 2.72·43-s + 3.27·45-s + 10.5·47-s + 9·49-s − 51-s − 10·53-s + 17.2·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 1.46·5-s − 1.51·7-s + 0.333·9-s + 1.59·11-s − 0.908·13-s − 0.845·15-s + 0.242·17-s + 1.21·19-s + 0.872·21-s + 1.09·23-s + 1.14·25-s − 0.192·27-s + 0.371·29-s − 1.17·31-s − 0.918·33-s − 2.21·35-s + 0.747·37-s + 0.524·39-s + 0.113·41-s + 0.415·43-s + 0.488·45-s + 1.53·47-s + 1.28·49-s − 0.140·51-s − 1.37·53-s + 2.32·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 816 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 816 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(816\)    =    \(2^{4} \cdot 3 \cdot 17\)
Sign: $1$
Analytic conductor: \(6.51579\)
Root analytic conductor: \(2.55260\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 816,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.541593530\)
\(L(\frac12)\) \(\approx\) \(1.541593530\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + T \)
17 \( 1 - T \)
good5 \( 1 - 3.27T + 5T^{2} \)
7 \( 1 + 4T + 7T^{2} \)
11 \( 1 - 5.27T + 11T^{2} \)
13 \( 1 + 3.27T + 13T^{2} \)
19 \( 1 - 5.27T + 19T^{2} \)
23 \( 1 - 5.27T + 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 + 6.54T + 31T^{2} \)
37 \( 1 - 4.54T + 37T^{2} \)
41 \( 1 - 0.725T + 41T^{2} \)
43 \( 1 - 2.72T + 43T^{2} \)
47 \( 1 - 10.5T + 47T^{2} \)
53 \( 1 + 10T + 53T^{2} \)
59 \( 1 - 6.54T + 59T^{2} \)
61 \( 1 - 12.5T + 61T^{2} \)
67 \( 1 + 4T + 67T^{2} \)
71 \( 1 - 4T + 71T^{2} \)
73 \( 1 - 10T + 73T^{2} \)
79 \( 1 + 6.54T + 79T^{2} \)
83 \( 1 + 6.54T + 83T^{2} \)
89 \( 1 - 12.5T + 89T^{2} \)
97 \( 1 + 8.54T + 97T^{2} \)
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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

−9.926750224915221156368641336581, −9.528789474420900999293700314389, −9.082335585514177024740186009524, −7.24653827370191413082663128304, −6.64976883088664731140621630891, −5.92545563859123327767736448886, −5.16968739069446684466032270925, −3.75376351078369794200565867084, −2.60285870910209392545653716411, −1.11513149017912433233685104146, 1.11513149017912433233685104146, 2.60285870910209392545653716411, 3.75376351078369794200565867084, 5.16968739069446684466032270925, 5.92545563859123327767736448886, 6.64976883088664731140621630891, 7.24653827370191413082663128304, 9.082335585514177024740186009524, 9.528789474420900999293700314389, 9.926750224915221156368641336581

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