Properties

Label 2-1960-40.19-c0-0-1
Degree $2$
Conductor $1960$
Sign $1$
Analytic cond. $0.978167$
Root an. cond. $0.989023$
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 + 4-s + 5-s − 8-s + 9-s − 10-s − 11-s − 13-s + 16-s − 18-s + 19-s + 20-s + 22-s + 23-s + 25-s + 26-s − 32-s + 36-s + 37-s − 38-s − 40-s + 41-s − 44-s + 45-s − 46-s − 47-s − 50-s + ⋯
L(s)  = 1  − 2-s + 4-s + 5-s − 8-s + 9-s − 10-s − 11-s − 13-s + 16-s − 18-s + 19-s + 20-s + 22-s + 23-s + 25-s + 26-s − 32-s + 36-s + 37-s − 38-s − 40-s + 41-s − 44-s + 45-s − 46-s − 47-s − 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1960 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1960 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1960\)    =    \(2^{3} \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(0.978167\)
Root analytic conductor: \(0.989023\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{1960} (99, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1960,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.9277793544\)
\(L(\frac12)\) \(\approx\) \(0.9277793544\)
\(L(1)\) 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 \( ( 1 - T )( 1 + T ) \)
11 \( 1 + T + T^{2} \)
13 \( 1 + T + T^{2} \)
17 \( ( 1 - T )( 1 + T ) \)
19 \( 1 - T + T^{2} \)
23 \( 1 - T + T^{2} \)
29 \( ( 1 - T )( 1 + T ) \)
31 \( ( 1 - T )( 1 + T ) \)
37 \( 1 - T + T^{2} \)
41 \( 1 - T + T^{2} \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( 1 + T + T^{2} \)
53 \( 1 - T + T^{2} \)
59 \( ( 1 + T )^{2} \)
61 \( ( 1 - T )( 1 + T ) \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( ( 1 - T )( 1 + T ) \)
83 \( ( 1 - T )( 1 + T ) \)
89 \( ( 1 + T )^{2} \)
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

−9.633261833594774216620365248183, −8.753975249808127115821684981284, −7.63834451586701122804043166224, −7.30519700454516549913151445899, −6.38040168288654249873852531331, −5.47283846086153901968308521644, −4.70544620218093844244539049640, −3.06471294127072427948615688807, −2.31219759945400133641825634697, −1.19557411982320486253444760852, 1.19557411982320486253444760852, 2.31219759945400133641825634697, 3.06471294127072427948615688807, 4.70544620218093844244539049640, 5.47283846086153901968308521644, 6.38040168288654249873852531331, 7.30519700454516549913151445899, 7.63834451586701122804043166224, 8.753975249808127115821684981284, 9.633261833594774216620365248183

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