Properties

Label 2-7872-1.1-c1-0-31
Degree $2$
Conductor $7872$
Sign $1$
Analytic cond. $62.8582$
Root an. cond. $7.92831$
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  + 3-s − 2.93·5-s − 2.93·7-s + 9-s + 1.68·11-s + 5.57·13-s − 2.93·15-s + 0.319·17-s + 4.93·19-s − 2.93·21-s + 0.939·23-s + 3.63·25-s + 27-s + 2.31·29-s − 7.89·31-s + 1.68·33-s + 8.63·35-s − 5.89·37-s + 5.57·39-s − 41-s − 9.77·43-s − 2.93·45-s − 4.31·47-s + 1.63·49-s + 0.319·51-s + 4·53-s − 4.93·55-s + ⋯
L(s)  = 1  + 0.577·3-s − 1.31·5-s − 1.11·7-s + 0.333·9-s + 0.506·11-s + 1.54·13-s − 0.758·15-s + 0.0775·17-s + 1.13·19-s − 0.641·21-s + 0.195·23-s + 0.727·25-s + 0.192·27-s + 0.430·29-s − 1.41·31-s + 0.292·33-s + 1.46·35-s − 0.969·37-s + 0.893·39-s − 0.156·41-s − 1.49·43-s − 0.438·45-s − 0.630·47-s + 0.234·49-s + 0.0447·51-s + 0.549·53-s − 0.666·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7872 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7872 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7872\)    =    \(2^{6} \cdot 3 \cdot 41\)
Sign: $1$
Analytic conductor: \(62.8582\)
Root analytic conductor: \(7.92831\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7872,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.668345857\)
\(L(\frac12)\) \(\approx\) \(1.668345857\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
41 \( 1 + T \)
good5 \( 1 + 2.93T + 5T^{2} \)
7 \( 1 + 2.93T + 7T^{2} \)
11 \( 1 - 1.68T + 11T^{2} \)
13 \( 1 - 5.57T + 13T^{2} \)
17 \( 1 - 0.319T + 17T^{2} \)
19 \( 1 - 4.93T + 19T^{2} \)
23 \( 1 - 0.939T + 23T^{2} \)
29 \( 1 - 2.31T + 29T^{2} \)
31 \( 1 + 7.89T + 31T^{2} \)
37 \( 1 + 5.89T + 37T^{2} \)
43 \( 1 + 9.77T + 43T^{2} \)
47 \( 1 + 4.31T + 47T^{2} \)
53 \( 1 - 4T + 53T^{2} \)
59 \( 1 - 2.12T + 59T^{2} \)
61 \( 1 - 9.89T + 61T^{2} \)
67 \( 1 - 4.63T + 67T^{2} \)
71 \( 1 - 2.19T + 71T^{2} \)
73 \( 1 + 5.89T + 73T^{2} \)
79 \( 1 - 3.27T + 79T^{2} \)
83 \( 1 - 2.42T + 83T^{2} \)
89 \( 1 + 9.75T + 89T^{2} \)
97 \( 1 - 6.30T + 97T^{2} \)
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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

−7.898631125190020052654621536403, −7.11373353404973816140501885638, −6.71130145489702363567240089526, −5.85339389220119961467379927291, −4.95146399699658053986864674273, −3.86719401284642094718902904242, −3.54706145592250692227909237429, −3.11713202787567707424491918746, −1.70641813811007705627118891972, −0.63493350861160297208634948767, 0.63493350861160297208634948767, 1.70641813811007705627118891972, 3.11713202787567707424491918746, 3.54706145592250692227909237429, 3.86719401284642094718902904242, 4.95146399699658053986864674273, 5.85339389220119961467379927291, 6.71130145489702363567240089526, 7.11373353404973816140501885638, 7.898631125190020052654621536403

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