Properties

Label 2-83-1.1-c1-0-5
Degree $2$
Conductor $83$
Sign $1$
Analytic cond. $0.662758$
Root an. cond. $0.814099$
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  + 2.62·2-s − 1.49·3-s + 4.88·4-s − 3.47·5-s − 3.92·6-s − 1.39·7-s + 7.56·8-s − 0.762·9-s − 9.11·10-s + 1.06·11-s − 7.30·12-s + 6.94·13-s − 3.66·14-s + 5.19·15-s + 10.0·16-s − 1.62·17-s − 2.00·18-s − 2.37·19-s − 16.9·20-s + 2.09·21-s + 2.78·22-s − 5.23·23-s − 11.3·24-s + 7.06·25-s + 18.2·26-s + 5.62·27-s − 6.82·28-s + ⋯
L(s)  = 1  + 1.85·2-s − 0.863·3-s + 2.44·4-s − 1.55·5-s − 1.60·6-s − 0.528·7-s + 2.67·8-s − 0.254·9-s − 2.88·10-s + 0.320·11-s − 2.10·12-s + 1.92·13-s − 0.980·14-s + 1.34·15-s + 2.51·16-s − 0.394·17-s − 0.471·18-s − 0.544·19-s − 3.79·20-s + 0.456·21-s + 0.594·22-s − 1.09·23-s − 2.30·24-s + 1.41·25-s + 3.57·26-s + 1.08·27-s − 1.29·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 83 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 83 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(83\)
Sign: $1$
Analytic conductor: \(0.662758\)
Root analytic conductor: \(0.814099\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 83,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.629820907\)
\(L(\frac12)\) \(\approx\) \(1.629820907\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad83 \( 1 - T \)
good2 \( 1 - 2.62T + 2T^{2} \)
3 \( 1 + 1.49T + 3T^{2} \)
5 \( 1 + 3.47T + 5T^{2} \)
7 \( 1 + 1.39T + 7T^{2} \)
11 \( 1 - 1.06T + 11T^{2} \)
13 \( 1 - 6.94T + 13T^{2} \)
17 \( 1 + 1.62T + 17T^{2} \)
19 \( 1 + 2.37T + 19T^{2} \)
23 \( 1 + 5.23T + 23T^{2} \)
29 \( 1 - 1.37T + 29T^{2} \)
31 \( 1 + 2.98T + 31T^{2} \)
37 \( 1 - 5.84T + 37T^{2} \)
41 \( 1 - 2.13T + 41T^{2} \)
43 \( 1 + 6.24T + 43T^{2} \)
47 \( 1 - 1.67T + 47T^{2} \)
53 \( 1 - 3.44T + 53T^{2} \)
59 \( 1 + 14.2T + 59T^{2} \)
61 \( 1 - 6.40T + 61T^{2} \)
67 \( 1 - 6.41T + 67T^{2} \)
71 \( 1 - 2.29T + 71T^{2} \)
73 \( 1 - 11.6T + 73T^{2} \)
79 \( 1 + 10.7T + 79T^{2} \)
89 \( 1 + 13.6T + 89T^{2} \)
97 \( 1 + 3.25T + 97T^{2} \)
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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

−14.22934602991949551648998634063, −13.08816053194587198599749411384, −12.19164652852055333265765103099, −11.38186492502161595168038735362, −10.89769103117052955770726745309, −8.258453357251033047121093677687, −6.68980341009942874659135231730, −5.91044245171285488749258939503, −4.34642816296284733164774881667, −3.46210416166494792970647632312, 3.46210416166494792970647632312, 4.34642816296284733164774881667, 5.91044245171285488749258939503, 6.68980341009942874659135231730, 8.258453357251033047121093677687, 10.89769103117052955770726745309, 11.38186492502161595168038735362, 12.19164652852055333265765103099, 13.08816053194587198599749411384, 14.22934602991949551648998634063

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