Properties

Label 2-983-1.1-c1-0-27
Degree $2$
Conductor $983$
Sign $1$
Analytic cond. $7.84929$
Root an. cond. $2.80165$
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  − 1.45·2-s + 1.34·3-s + 0.104·4-s + 3.00·5-s − 1.95·6-s − 1.88·7-s + 2.74·8-s − 1.17·9-s − 4.35·10-s + 3.71·11-s + 0.141·12-s + 2.53·13-s + 2.73·14-s + 4.05·15-s − 4.19·16-s + 3.78·17-s + 1.71·18-s − 6.83·19-s + 0.313·20-s − 2.54·21-s − 5.39·22-s + 3.18·23-s + 3.71·24-s + 4.00·25-s − 3.67·26-s − 5.63·27-s − 0.197·28-s + ⋯
L(s)  = 1  − 1.02·2-s + 0.779·3-s + 0.0523·4-s + 1.34·5-s − 0.799·6-s − 0.713·7-s + 0.972·8-s − 0.392·9-s − 1.37·10-s + 1.12·11-s + 0.0407·12-s + 0.703·13-s + 0.731·14-s + 1.04·15-s − 1.04·16-s + 0.918·17-s + 0.403·18-s − 1.56·19-s + 0.0702·20-s − 0.555·21-s − 1.15·22-s + 0.663·23-s + 0.757·24-s + 0.801·25-s − 0.721·26-s − 1.08·27-s − 0.0373·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 983 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 983 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(983\)
Sign: $1$
Analytic conductor: \(7.84929\)
Root analytic conductor: \(2.80165\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 983,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.406931887\)
\(L(\frac12)\) \(\approx\) \(1.406931887\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad983 \( 1 - T \)
good2 \( 1 + 1.45T + 2T^{2} \)
3 \( 1 - 1.34T + 3T^{2} \)
5 \( 1 - 3.00T + 5T^{2} \)
7 \( 1 + 1.88T + 7T^{2} \)
11 \( 1 - 3.71T + 11T^{2} \)
13 \( 1 - 2.53T + 13T^{2} \)
17 \( 1 - 3.78T + 17T^{2} \)
19 \( 1 + 6.83T + 19T^{2} \)
23 \( 1 - 3.18T + 23T^{2} \)
29 \( 1 - 8.32T + 29T^{2} \)
31 \( 1 - 3.36T + 31T^{2} \)
37 \( 1 - 7.28T + 37T^{2} \)
41 \( 1 - 9.17T + 41T^{2} \)
43 \( 1 + 9.55T + 43T^{2} \)
47 \( 1 + 0.876T + 47T^{2} \)
53 \( 1 + 0.975T + 53T^{2} \)
59 \( 1 + 5.04T + 59T^{2} \)
61 \( 1 + 2.70T + 61T^{2} \)
67 \( 1 + 14.7T + 67T^{2} \)
71 \( 1 - 14.7T + 71T^{2} \)
73 \( 1 - 0.866T + 73T^{2} \)
79 \( 1 - 17.3T + 79T^{2} \)
83 \( 1 - 0.894T + 83T^{2} \)
89 \( 1 - 8.23T + 89T^{2} \)
97 \( 1 + 1.04T + 97T^{2} \)
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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

−9.734907426804094606611807388883, −9.158422330691964550246936019634, −8.642182567647459052243632748785, −7.86358706778464720635600617806, −6.48253993002661791346321778041, −6.13492914935288786869808999618, −4.66477475566821071218503625199, −3.43018874541326611615890584636, −2.28787806475086871882884943148, −1.13340273188350873488369810929, 1.13340273188350873488369810929, 2.28787806475086871882884943148, 3.43018874541326611615890584636, 4.66477475566821071218503625199, 6.13492914935288786869808999618, 6.48253993002661791346321778041, 7.86358706778464720635600617806, 8.642182567647459052243632748785, 9.158422330691964550246936019634, 9.734907426804094606611807388883

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