Properties

Label 2-980-20.19-c0-0-3
Degree $2$
Conductor $980$
Sign $1$
Analytic cond. $0.489083$
Root an. cond. $0.699345$
Motivic weight $0$
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 + 3-s + 4-s + 5-s − 6-s − 8-s − 10-s + 12-s + 15-s + 16-s + 20-s + 23-s − 24-s + 25-s − 27-s − 29-s − 30-s − 32-s − 40-s − 41-s + 43-s − 46-s − 2·47-s + 48-s − 50-s + 54-s + 58-s + ⋯
L(s)  = 1  − 2-s + 3-s + 4-s + 5-s − 6-s − 8-s − 10-s + 12-s + 15-s + 16-s + 20-s + 23-s − 24-s + 25-s − 27-s − 29-s − 30-s − 32-s − 40-s − 41-s + 43-s − 46-s − 2·47-s + 48-s − 50-s + 54-s + 58-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 980 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 980 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(980\)    =    \(2^{2} \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(0.489083\)
Root analytic conductor: \(0.699345\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{980} (99, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 980,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.041211610\)
\(L(\frac12)\) \(\approx\) \(1.041211610\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
5 \( 1 - T \)
7 \( 1 \)
good3 \( 1 - T + T^{2} \)
11 \( ( 1 - T )( 1 + T ) \)
13 \( ( 1 - T )( 1 + T ) \)
17 \( ( 1 - T )( 1 + T ) \)
19 \( ( 1 - T )( 1 + T ) \)
23 \( 1 - T + T^{2} \)
29 \( 1 + T + T^{2} \)
31 \( ( 1 - T )( 1 + T ) \)
37 \( ( 1 - T )( 1 + T ) \)
41 \( 1 + T + T^{2} \)
43 \( 1 - T + T^{2} \)
47 \( ( 1 + T )^{2} \)
53 \( ( 1 - T )( 1 + T ) \)
59 \( ( 1 - T )( 1 + T ) \)
61 \( 1 + T + T^{2} \)
67 \( 1 - T + T^{2} \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( ( 1 - T )( 1 + T ) \)
83 \( 1 - T + T^{2} \)
89 \( 1 + T + T^{2} \)
97 \( ( 1 - T )( 1 + T ) \)
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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

−9.869693084453220128949828844026, −9.307040558155344001394426457467, −8.719440002860592990547946555940, −7.930338811691618361306348548308, −7.03237660848538221891905703905, −6.14748564902986047144463161580, −5.17737013649407497594184163409, −3.44066727284704930723340523309, −2.57802748041299452045427181021, −1.61736189099351821913666552954, 1.61736189099351821913666552954, 2.57802748041299452045427181021, 3.44066727284704930723340523309, 5.17737013649407497594184163409, 6.14748564902986047144463161580, 7.03237660848538221891905703905, 7.930338811691618361306348548308, 8.719440002860592990547946555940, 9.307040558155344001394426457467, 9.869693084453220128949828844026

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