Properties

Label 2-983-1.1-c1-0-73
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  + 2.14·2-s − 2.47·3-s + 2.61·4-s + 1.19·5-s − 5.31·6-s − 3.58·7-s + 1.31·8-s + 3.11·9-s + 2.57·10-s + 2.28·11-s − 6.45·12-s − 3.13·13-s − 7.68·14-s − 2.96·15-s − 2.40·16-s − 5.69·17-s + 6.69·18-s + 3.15·19-s + 3.12·20-s + 8.85·21-s + 4.91·22-s − 1.79·23-s − 3.24·24-s − 3.56·25-s − 6.72·26-s − 0.294·27-s − 9.34·28-s + ⋯
L(s)  = 1  + 1.51·2-s − 1.42·3-s + 1.30·4-s + 0.535·5-s − 2.16·6-s − 1.35·7-s + 0.463·8-s + 1.03·9-s + 0.813·10-s + 0.689·11-s − 1.86·12-s − 0.869·13-s − 2.05·14-s − 0.764·15-s − 0.601·16-s − 1.38·17-s + 1.57·18-s + 0.724·19-s + 0.699·20-s + 1.93·21-s + 1.04·22-s − 0.374·23-s − 0.662·24-s − 0.713·25-s − 1.31·26-s − 0.0566·27-s − 1.76·28-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 \( 1 - 2.14T + 2T^{2} \)
3 \( 1 + 2.47T + 3T^{2} \)
5 \( 1 - 1.19T + 5T^{2} \)
7 \( 1 + 3.58T + 7T^{2} \)
11 \( 1 - 2.28T + 11T^{2} \)
13 \( 1 + 3.13T + 13T^{2} \)
17 \( 1 + 5.69T + 17T^{2} \)
19 \( 1 - 3.15T + 19T^{2} \)
23 \( 1 + 1.79T + 23T^{2} \)
29 \( 1 + 6.64T + 29T^{2} \)
31 \( 1 + 0.158T + 31T^{2} \)
37 \( 1 + 9.23T + 37T^{2} \)
41 \( 1 - 2.91T + 41T^{2} \)
43 \( 1 + 1.84T + 43T^{2} \)
47 \( 1 - 8.88T + 47T^{2} \)
53 \( 1 + 4.07T + 53T^{2} \)
59 \( 1 - 3.88T + 59T^{2} \)
61 \( 1 - 7.43T + 61T^{2} \)
67 \( 1 + 5.15T + 67T^{2} \)
71 \( 1 + 2.03T + 71T^{2} \)
73 \( 1 - 4.11T + 73T^{2} \)
79 \( 1 - 3.82T + 79T^{2} \)
83 \( 1 - 1.03T + 83T^{2} \)
89 \( 1 - 0.990T + 89T^{2} \)
97 \( 1 - 2.18T + 97T^{2} \)
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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

−9.744043932845911561225161773613, −9.100347801724312527531367977417, −7.12838885393641840314998081234, −6.63755721506419067669353634401, −5.90630576672125088837516111085, −5.38465940356301026350410723157, −4.40261028155242427140955170072, −3.49420827811750291790101467460, −2.20222555740424312960013576143, 0, 2.20222555740424312960013576143, 3.49420827811750291790101467460, 4.40261028155242427140955170072, 5.38465940356301026350410723157, 5.90630576672125088837516111085, 6.63755721506419067669353634401, 7.12838885393641840314998081234, 9.100347801724312527531367977417, 9.744043932845911561225161773613

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