Properties

Label 2-7920-1.1-c1-0-2
Degree $2$
Conductor $7920$
Sign $1$
Analytic cond. $63.2415$
Root an. cond. $7.95245$
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  − 5-s − 2.82·7-s − 11-s − 0.828·13-s − 4.82·17-s − 5.65·19-s − 5.65·23-s + 25-s − 2·29-s + 5.65·31-s + 2.82·35-s + 6·37-s + 2·41-s − 6.82·43-s − 5.65·47-s + 1.00·49-s − 11.6·53-s + 55-s − 1.65·59-s + 11.6·61-s + 0.828·65-s + 1.65·67-s − 2.34·71-s − 2.48·73-s + 2.82·77-s + 1.65·79-s + 5.17·83-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.06·7-s − 0.301·11-s − 0.229·13-s − 1.17·17-s − 1.29·19-s − 1.17·23-s + 0.200·25-s − 0.371·29-s + 1.01·31-s + 0.478·35-s + 0.986·37-s + 0.312·41-s − 1.04·43-s − 0.825·47-s + 0.142·49-s − 1.60·53-s + 0.134·55-s − 0.215·59-s + 1.49·61-s + 0.102·65-s + 0.202·67-s − 0.278·71-s − 0.290·73-s + 0.322·77-s + 0.186·79-s + 0.567·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7920\)    =    \(2^{4} \cdot 3^{2} \cdot 5 \cdot 11\)
Sign: $1$
Analytic conductor: \(63.2415\)
Root analytic conductor: \(7.95245\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7920,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.5844047713\)
\(L(\frac12)\) \(\approx\) \(0.5844047713\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
11 \( 1 + T \)
good7 \( 1 + 2.82T + 7T^{2} \)
13 \( 1 + 0.828T + 13T^{2} \)
17 \( 1 + 4.82T + 17T^{2} \)
19 \( 1 + 5.65T + 19T^{2} \)
23 \( 1 + 5.65T + 23T^{2} \)
29 \( 1 + 2T + 29T^{2} \)
31 \( 1 - 5.65T + 31T^{2} \)
37 \( 1 - 6T + 37T^{2} \)
41 \( 1 - 2T + 41T^{2} \)
43 \( 1 + 6.82T + 43T^{2} \)
47 \( 1 + 5.65T + 47T^{2} \)
53 \( 1 + 11.6T + 53T^{2} \)
59 \( 1 + 1.65T + 59T^{2} \)
61 \( 1 - 11.6T + 61T^{2} \)
67 \( 1 - 1.65T + 67T^{2} \)
71 \( 1 + 2.34T + 71T^{2} \)
73 \( 1 + 2.48T + 73T^{2} \)
79 \( 1 - 1.65T + 79T^{2} \)
83 \( 1 - 5.17T + 83T^{2} \)
89 \( 1 + 2T + 89T^{2} \)
97 \( 1 - 15.6T + 97T^{2} \)
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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

−7.987117893644539922872207978116, −7.02823281259659843649338940657, −6.41575440902840209996530819536, −6.04302111436301154847792960910, −4.86539700770647443344101691403, −4.29604338718679225077989375512, −3.53986057645323600622051237518, −2.69096673792599274649047807389, −1.92733215974528267941482194351, −0.35522857588318814755059608380, 0.35522857588318814755059608380, 1.92733215974528267941482194351, 2.69096673792599274649047807389, 3.53986057645323600622051237518, 4.29604338718679225077989375512, 4.86539700770647443344101691403, 6.04302111436301154847792960910, 6.41575440902840209996530819536, 7.02823281259659843649338940657, 7.987117893644539922872207978116

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