Properties

Label 2-1980-5.4-c1-0-12
Degree $2$
Conductor $1980$
Sign $0.955 + 0.293i$
Analytic cond. $15.8103$
Root an. cond. $3.97622$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2.13 − 0.656i)5-s + 3.46i·7-s − 11-s − 6.09i·13-s + 3.46i·17-s − 4·19-s − 8.24i·23-s + (4.13 + 2.80i)25-s + 6.54·29-s + 1.72·31-s + (2.27 − 7.40i)35-s + 8.24i·37-s + 6.54·41-s − 3.46i·43-s + 2.62i·47-s + ⋯
L(s)  = 1  + (−0.955 − 0.293i)5-s + 1.30i·7-s − 0.301·11-s − 1.68i·13-s + 0.840i·17-s − 0.917·19-s − 1.71i·23-s + (0.827 + 0.561i)25-s + 1.21·29-s + 0.309·31-s + (0.384 − 1.25i)35-s + 1.35i·37-s + 1.02·41-s − 0.528i·43-s + 0.383i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1980 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.955 + 0.293i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1980 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.955 + 0.293i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1980\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 11\)
Sign: $0.955 + 0.293i$
Analytic conductor: \(15.8103\)
Root analytic conductor: \(3.97622\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1980} (1189, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1980,\ (\ :1/2),\ 0.955 + 0.293i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.238342920\)
\(L(\frac12)\) \(\approx\) \(1.238342920\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5 \( 1 + (2.13 + 0.656i)T \)
11 \( 1 + T \)
good7 \( 1 - 3.46iT - 7T^{2} \)
13 \( 1 + 6.09iT - 13T^{2} \)
17 \( 1 - 3.46iT - 17T^{2} \)
19 \( 1 + 4T + 19T^{2} \)
23 \( 1 + 8.24iT - 23T^{2} \)
29 \( 1 - 6.54T + 29T^{2} \)
31 \( 1 - 1.72T + 31T^{2} \)
37 \( 1 - 8.24iT - 37T^{2} \)
41 \( 1 - 6.54T + 41T^{2} \)
43 \( 1 + 3.46iT - 43T^{2} \)
47 \( 1 - 2.62iT - 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 - 14.2T + 59T^{2} \)
61 \( 1 - 6.54T + 61T^{2} \)
67 \( 1 + 10.8iT - 67T^{2} \)
71 \( 1 - 2.27T + 71T^{2} \)
73 \( 1 - 11.3iT - 73T^{2} \)
79 \( 1 + 4.54T + 79T^{2} \)
83 \( 1 + 1.78iT - 83T^{2} \)
89 \( 1 - 8.27T + 89T^{2} \)
97 \( 1 + 3.94iT - 97T^{2} \)
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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

−8.665950263193901166281959554682, −8.469662346869528255026228903010, −7.898989069643527328993193231322, −6.68549744004515544790151826005, −5.92200717968363549969957210353, −5.07937436591063027038819805426, −4.28971650097760215770118765459, −3.11784926045600808394062137112, −2.39234939113654450245573041633, −0.64857501351959229389440771382, 0.833198583990112275557142562050, 2.31204908252880802627129405536, 3.61632316873437119713778267891, 4.17064388666367297166876675638, 4.90179571357458447800173824358, 6.26452187948975360791547254144, 7.16603091020996261528940503824, 7.35089954295982990662995623883, 8.355792834651609517074743475361, 9.194804708740832567175564266315

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