Properties

Label 2-83-1.1-c1-0-4
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  + 1.16·2-s + 1.13·3-s − 0.644·4-s − 1.45·5-s + 1.31·6-s + 3.35·7-s − 3.07·8-s − 1.71·9-s − 1.69·10-s − 1.76·11-s − 0.729·12-s − 2.24·13-s + 3.91·14-s − 1.65·15-s − 2.29·16-s + 2.23·17-s − 1.99·18-s + 6.09·19-s + 0.939·20-s + 3.80·21-s − 2.05·22-s − 3.34·23-s − 3.48·24-s − 2.87·25-s − 2.61·26-s − 5.34·27-s − 2.16·28-s + ⋯
L(s)  = 1  + 0.823·2-s + 0.653·3-s − 0.322·4-s − 0.651·5-s + 0.538·6-s + 1.26·7-s − 1.08·8-s − 0.572·9-s − 0.536·10-s − 0.531·11-s − 0.210·12-s − 0.622·13-s + 1.04·14-s − 0.426·15-s − 0.573·16-s + 0.540·17-s − 0.471·18-s + 1.39·19-s + 0.210·20-s + 0.830·21-s − 0.437·22-s − 0.696·23-s − 0.711·24-s − 0.575·25-s − 0.512·26-s − 1.02·27-s − 0.409·28-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

\(L(1)\) \(\approx\) \(1.363214317\)
\(L(\frac12)\) \(\approx\) \(1.363214317\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.16T + 2T^{2} \)
3 \( 1 - 1.13T + 3T^{2} \)
5 \( 1 + 1.45T + 5T^{2} \)
7 \( 1 - 3.35T + 7T^{2} \)
11 \( 1 + 1.76T + 11T^{2} \)
13 \( 1 + 2.24T + 13T^{2} \)
17 \( 1 - 2.23T + 17T^{2} \)
19 \( 1 - 6.09T + 19T^{2} \)
23 \( 1 + 3.34T + 23T^{2} \)
29 \( 1 - 9.55T + 29T^{2} \)
31 \( 1 - 0.417T + 31T^{2} \)
37 \( 1 - 7.37T + 37T^{2} \)
41 \( 1 + 6.20T + 41T^{2} \)
43 \( 1 - 6.72T + 43T^{2} \)
47 \( 1 + 7.08T + 47T^{2} \)
53 \( 1 + 0.00636T + 53T^{2} \)
59 \( 1 + 4.90T + 59T^{2} \)
61 \( 1 - 11.1T + 61T^{2} \)
67 \( 1 + 13.4T + 67T^{2} \)
71 \( 1 + 1.58T + 71T^{2} \)
73 \( 1 + 5.78T + 73T^{2} \)
79 \( 1 + 5.78T + 79T^{2} \)
89 \( 1 + 14.8T + 89T^{2} \)
97 \( 1 - 12.4T + 97T^{2} \)
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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

−14.28169387582182941518301595891, −13.59394730722657302197008318326, −12.12659726636073883281381181809, −11.51737086901092806935943944472, −9.801042849625701485378150919948, −8.400273899238101564825174331551, −7.73892480725517251556952315078, −5.55978851979933749921956786088, −4.47231178755777228337340260814, −2.98080145095345604661409664966, 2.98080145095345604661409664966, 4.47231178755777228337340260814, 5.55978851979933749921956786088, 7.73892480725517251556952315078, 8.400273899238101564825174331551, 9.801042849625701485378150919948, 11.51737086901092806935943944472, 12.12659726636073883281381181809, 13.59394730722657302197008318326, 14.28169387582182941518301595891

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