Properties

Label 2-8993-1.1-c1-0-625
Degree $2$
Conductor $8993$
Sign $-1$
Analytic cond. $71.8094$
Root an. cond. $8.47404$
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  + 0.718·2-s + 2.92·3-s − 1.48·4-s + 3.34·5-s + 2.09·6-s − 4.97·7-s − 2.50·8-s + 5.54·9-s + 2.40·10-s − 5.33·11-s − 4.33·12-s + 4.26·13-s − 3.57·14-s + 9.78·15-s + 1.17·16-s − 17-s + 3.98·18-s − 2.95·19-s − 4.96·20-s − 14.5·21-s − 3.83·22-s − 7.31·24-s + 6.19·25-s + 3.06·26-s + 7.44·27-s + 7.37·28-s − 1.24·29-s + ⋯
L(s)  = 1  + 0.507·2-s + 1.68·3-s − 0.742·4-s + 1.49·5-s + 0.857·6-s − 1.87·7-s − 0.884·8-s + 1.84·9-s + 0.759·10-s − 1.60·11-s − 1.25·12-s + 1.18·13-s − 0.954·14-s + 2.52·15-s + 0.292·16-s − 0.242·17-s + 0.939·18-s − 0.678·19-s − 1.11·20-s − 3.17·21-s − 0.816·22-s − 1.49·24-s + 1.23·25-s + 0.600·26-s + 1.43·27-s + 1.39·28-s − 0.230·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8993 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8993 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8993\)    =    \(17 \cdot 23^{2}\)
Sign: $-1$
Analytic conductor: \(71.8094\)
Root analytic conductor: \(8.47404\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 8993,\ (\ :1/2),\ -1)\)

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)$
bad17 \( 1 + T \)
23 \( 1 \)
good2 \( 1 - 0.718T + 2T^{2} \)
3 \( 1 - 2.92T + 3T^{2} \)
5 \( 1 - 3.34T + 5T^{2} \)
7 \( 1 + 4.97T + 7T^{2} \)
11 \( 1 + 5.33T + 11T^{2} \)
13 \( 1 - 4.26T + 13T^{2} \)
19 \( 1 + 2.95T + 19T^{2} \)
29 \( 1 + 1.24T + 29T^{2} \)
31 \( 1 + 3.61T + 31T^{2} \)
37 \( 1 + 2.41T + 37T^{2} \)
41 \( 1 - 2.72T + 41T^{2} \)
43 \( 1 - 5.44T + 43T^{2} \)
47 \( 1 + 8.84T + 47T^{2} \)
53 \( 1 + 8.12T + 53T^{2} \)
59 \( 1 + 5.55T + 59T^{2} \)
61 \( 1 + 5.77T + 61T^{2} \)
67 \( 1 - 7.29T + 67T^{2} \)
71 \( 1 + 10.6T + 71T^{2} \)
73 \( 1 + 5.80T + 73T^{2} \)
79 \( 1 + 11.6T + 79T^{2} \)
83 \( 1 + 1.63T + 83T^{2} \)
89 \( 1 + 8.80T + 89T^{2} \)
97 \( 1 - 7.42T + 97T^{2} \)
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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

−7.46453665518869388681560404088, −6.53256218058362919078557082969, −5.99709471225154779075810765986, −5.43798219096717492658577856874, −4.39138393662735061151455568121, −3.62476540609885027045957318788, −2.95746505133268890351725251857, −2.63980804951686037758861193665, −1.62042310630122792059073539407, 0, 1.62042310630122792059073539407, 2.63980804951686037758861193665, 2.95746505133268890351725251857, 3.62476540609885027045957318788, 4.39138393662735061151455568121, 5.43798219096717492658577856874, 5.99709471225154779075810765986, 6.53256218058362919078557082969, 7.46453665518869388681560404088

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