Properties

Label 2-1960-40.19-c0-0-0
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

\(L(\frac{1}{2})\) \(\approx\) \(0.6488982764\)
\(L(\frac12)\) \(\approx\) \(0.6488982764\)
\(L(1)\) 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

−9.229791102204469147103232179163, −8.487146402096743553080070494077, −7.957625375746181345227001572003, −7.15539334433045220504655879093, −6.60197150286083182339309397712, −5.46239217716715851815642871756, −4.33274959514248666790607144566, −3.43747193100768837314523766124, −2.32007427042724961223281344873, −0.944624418819696518537810846011, 0.944624418819696518537810846011, 2.32007427042724961223281344873, 3.43747193100768837314523766124, 4.33274959514248666790607144566, 5.46239217716715851815642871756, 6.60197150286083182339309397712, 7.15539334433045220504655879093, 7.957625375746181345227001572003, 8.487146402096743553080070494077, 9.229791102204469147103232179163

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