Properties

Label 2-2790-1.1-c1-0-15
Degree $2$
Conductor $2790$
Sign $1$
Analytic cond. $22.2782$
Root an. cond. $4.71998$
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 + 4-s − 5-s − 7-s + 8-s − 10-s + 3·11-s + 2·13-s − 14-s + 16-s + 5·19-s − 20-s + 3·22-s − 9·23-s + 25-s + 2·26-s − 28-s + 31-s + 32-s + 35-s + 8·37-s + 5·38-s − 40-s + 11·43-s + 3·44-s − 9·46-s + 6·47-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s − 0.447·5-s − 0.377·7-s + 0.353·8-s − 0.316·10-s + 0.904·11-s + 0.554·13-s − 0.267·14-s + 1/4·16-s + 1.14·19-s − 0.223·20-s + 0.639·22-s − 1.87·23-s + 1/5·25-s + 0.392·26-s − 0.188·28-s + 0.179·31-s + 0.176·32-s + 0.169·35-s + 1.31·37-s + 0.811·38-s − 0.158·40-s + 1.67·43-s + 0.452·44-s − 1.32·46-s + 0.875·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2790 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2790 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2790\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 31\)
Sign: $1$
Analytic conductor: \(22.2782\)
Root analytic conductor: \(4.71998\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2790,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.807744324\)
\(L(\frac12)\) \(\approx\) \(2.807744324\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5 \( 1 + T \)
31 \( 1 - T \)
good7 \( 1 + T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 - 5 T + p T^{2} \)
23 \( 1 + 9 T + p T^{2} \)
29 \( 1 + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - 11 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 + 6 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - 14 T + p T^{2} \)
71 \( 1 + 9 T + p T^{2} \)
73 \( 1 + T + p T^{2} \)
79 \( 1 + T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 9 T + p T^{2} \)
97 \( 1 - 14 T + p T^{2} \)
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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

−8.823296505213544891998302368019, −7.81274312976849185188659318694, −7.33591832206634595181516248511, −6.17548996042192493230446588331, −5.99431652998045200506912041969, −4.74811762028286937034304091577, −3.96280908569880185728912700218, −3.40120120676549713671210936822, −2.26954342882291794390735368364, −0.970760554217446015952289485453, 0.970760554217446015952289485453, 2.26954342882291794390735368364, 3.40120120676549713671210936822, 3.96280908569880185728912700218, 4.74811762028286937034304091577, 5.99431652998045200506912041969, 6.17548996042192493230446588331, 7.33591832206634595181516248511, 7.81274312976849185188659318694, 8.823296505213544891998302368019

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