Properties

Label 2-1848-1.1-c1-0-3
Degree $2$
Conductor $1848$
Sign $1$
Analytic cond. $14.7563$
Root an. cond. $3.84140$
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  − 3-s − 5-s + 7-s + 9-s − 11-s − 3·13-s + 15-s + 4·17-s + 19-s − 21-s + 2·23-s − 4·25-s − 27-s − 29-s + 4·31-s + 33-s − 35-s − 3·37-s + 3·39-s + 4·41-s + 2·43-s − 45-s + 5·47-s + 49-s − 4·51-s + 2·53-s + 55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s + 0.377·7-s + 1/3·9-s − 0.301·11-s − 0.832·13-s + 0.258·15-s + 0.970·17-s + 0.229·19-s − 0.218·21-s + 0.417·23-s − 4/5·25-s − 0.192·27-s − 0.185·29-s + 0.718·31-s + 0.174·33-s − 0.169·35-s − 0.493·37-s + 0.480·39-s + 0.624·41-s + 0.304·43-s − 0.149·45-s + 0.729·47-s + 1/7·49-s − 0.560·51-s + 0.274·53-s + 0.134·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1848 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1848 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1848\)    =    \(2^{3} \cdot 3 \cdot 7 \cdot 11\)
Sign: $1$
Analytic conductor: \(14.7563\)
Root analytic conductor: \(3.84140\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1848,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.217437260\)
\(L(\frac12)\) \(\approx\) \(1.217437260\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
7 \( 1 - T \)
11 \( 1 + T \)
good5 \( 1 + T + p T^{2} \)
13 \( 1 + 3 T + p T^{2} \)
17 \( 1 - 4 T + p T^{2} \)
19 \( 1 - T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 + T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 + 3 T + p T^{2} \)
41 \( 1 - 4 T + p T^{2} \)
43 \( 1 - 2 T + p T^{2} \)
47 \( 1 - 5 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 + 3 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 - 7 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 2 T + p T^{2} \)
97 \( 1 - 10 T + p T^{2} \)
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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

−9.374970040347361656616744037914, −8.290648149742437191989772413486, −7.61976102536562313381248035170, −7.01885223763301530980997431641, −5.90014716426253928576468947816, −5.21646041052173270007187855185, −4.41926303796138030329635393421, −3.41442959652415133806519102884, −2.20691885160923582980251282707, −0.77067211129666744434397370886, 0.77067211129666744434397370886, 2.20691885160923582980251282707, 3.41442959652415133806519102884, 4.41926303796138030329635393421, 5.21646041052173270007187855185, 5.90014716426253928576468947816, 7.01885223763301530980997431641, 7.61976102536562313381248035170, 8.290648149742437191989772413486, 9.374970040347361656616744037914

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