Properties

Label 2-2790-1.1-c1-0-2
Degree $2$
Conductor $2790$
Sign $1$
Analytic cond. $22.2782$
Root an. cond. $4.71998$
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  − 2-s + 4-s − 5-s − 1.81·7-s − 8-s + 10-s − 3.81·11-s − 2.73·13-s + 1.81·14-s + 16-s − 0.483·17-s + 2.92·19-s − 20-s + 3.81·22-s + 1.40·23-s + 25-s + 2.73·26-s − 1.81·28-s − 9.47·29-s + 31-s − 32-s + 0.483·34-s + 1.81·35-s − 3.70·37-s − 2.92·38-s + 40-s − 9.47·41-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.5·4-s − 0.447·5-s − 0.685·7-s − 0.353·8-s + 0.316·10-s − 1.15·11-s − 0.759·13-s + 0.485·14-s + 0.250·16-s − 0.117·17-s + 0.670·19-s − 0.223·20-s + 0.813·22-s + 0.293·23-s + 0.200·25-s + 0.536·26-s − 0.342·28-s − 1.75·29-s + 0.179·31-s − 0.176·32-s + 0.0829·34-s + 0.306·35-s − 0.609·37-s − 0.474·38-s + 0.158·40-s − 1.47·41-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2790,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6429522021\)
\(L(\frac12)\) \(\approx\) \(0.6429522021\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.81T + 7T^{2} \)
11 \( 1 + 3.81T + 11T^{2} \)
13 \( 1 + 2.73T + 13T^{2} \)
17 \( 1 + 0.483T + 17T^{2} \)
19 \( 1 - 2.92T + 19T^{2} \)
23 \( 1 - 1.40T + 23T^{2} \)
29 \( 1 + 9.47T + 29T^{2} \)
37 \( 1 + 3.70T + 37T^{2} \)
41 \( 1 + 9.47T + 41T^{2} \)
43 \( 1 - 11.5T + 43T^{2} \)
47 \( 1 - 10.4T + 47T^{2} \)
53 \( 1 - 8.55T + 53T^{2} \)
59 \( 1 + 13.3T + 59T^{2} \)
61 \( 1 - 10.7T + 61T^{2} \)
67 \( 1 - 9.54T + 67T^{2} \)
71 \( 1 - 5.65T + 71T^{2} \)
73 \( 1 - 8.70T + 73T^{2} \)
79 \( 1 + 9.36T + 79T^{2} \)
83 \( 1 + 2.81T + 83T^{2} \)
89 \( 1 - 12.4T + 89T^{2} \)
97 \( 1 - 0.154T + 97T^{2} \)
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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

−8.887477339303603230377946109135, −7.950126766684677249561687570173, −7.40941630924432473733523177004, −6.83104986364759299673095950441, −5.71147320309174252185903230588, −5.09128807120580688592606078859, −3.85807640909542944040320047866, −2.97934026203930142165974950223, −2.11803709982847350975517260360, −0.52296432586472041904313330071, 0.52296432586472041904313330071, 2.11803709982847350975517260360, 2.97934026203930142165974950223, 3.85807640909542944040320047866, 5.09128807120580688592606078859, 5.71147320309174252185903230588, 6.83104986364759299673095950441, 7.40941630924432473733523177004, 7.950126766684677249561687570173, 8.887477339303603230377946109135

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