Properties

Label 2-983-1.1-c1-0-57
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.64·2-s + 2.69·3-s + 0.717·4-s − 2.78·5-s − 4.43·6-s − 0.853·7-s + 2.11·8-s + 4.24·9-s + 4.59·10-s − 2.80·11-s + 1.93·12-s + 1.03·13-s + 1.40·14-s − 7.50·15-s − 4.92·16-s + 1.76·17-s − 6.99·18-s − 5.56·19-s − 2.00·20-s − 2.29·21-s + 4.62·22-s + 4.11·23-s + 5.68·24-s + 2.77·25-s − 1.69·26-s + 3.34·27-s − 0.612·28-s + ⋯
L(s)  = 1  − 1.16·2-s + 1.55·3-s + 0.358·4-s − 1.24·5-s − 1.81·6-s − 0.322·7-s + 0.747·8-s + 1.41·9-s + 1.45·10-s − 0.844·11-s + 0.557·12-s + 0.285·13-s + 0.376·14-s − 1.93·15-s − 1.23·16-s + 0.427·17-s − 1.64·18-s − 1.27·19-s − 0.447·20-s − 0.501·21-s + 0.985·22-s + 0.857·23-s + 1.16·24-s + 0.555·25-s − 0.333·26-s + 0.642·27-s − 0.115·28-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: \(1\)
Selberg data: \((2,\ 983,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.64T + 2T^{2} \)
3 \( 1 - 2.69T + 3T^{2} \)
5 \( 1 + 2.78T + 5T^{2} \)
7 \( 1 + 0.853T + 7T^{2} \)
11 \( 1 + 2.80T + 11T^{2} \)
13 \( 1 - 1.03T + 13T^{2} \)
17 \( 1 - 1.76T + 17T^{2} \)
19 \( 1 + 5.56T + 19T^{2} \)
23 \( 1 - 4.11T + 23T^{2} \)
29 \( 1 - 2.86T + 29T^{2} \)
31 \( 1 + 6.42T + 31T^{2} \)
37 \( 1 + 8.71T + 37T^{2} \)
41 \( 1 + 10.7T + 41T^{2} \)
43 \( 1 + 2.20T + 43T^{2} \)
47 \( 1 - 1.85T + 47T^{2} \)
53 \( 1 - 7.10T + 53T^{2} \)
59 \( 1 + 6.33T + 59T^{2} \)
61 \( 1 + 12.7T + 61T^{2} \)
67 \( 1 + 0.335T + 67T^{2} \)
71 \( 1 + 5.42T + 71T^{2} \)
73 \( 1 + 0.891T + 73T^{2} \)
79 \( 1 - 6.71T + 79T^{2} \)
83 \( 1 - 13.3T + 83T^{2} \)
89 \( 1 + 3.65T + 89T^{2} \)
97 \( 1 - 4.56T + 97T^{2} \)
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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

−9.199383617251421107004909296678, −8.712772162664366823924008530485, −8.085357116479711171812991847978, −7.58294342453894823729422590545, −6.78384274847623873038145890623, −4.92625847740687601214675968657, −3.86646071939118288817289191857, −3.09539910004198592785864316745, −1.80483175474620703806645362295, 0, 1.80483175474620703806645362295, 3.09539910004198592785864316745, 3.86646071939118288817289191857, 4.92625847740687601214675968657, 6.78384274847623873038145890623, 7.58294342453894823729422590545, 8.085357116479711171812991847978, 8.712772162664366823924008530485, 9.199383617251421107004909296678

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