Properties

Label 2-18491-1.1-c1-0-1
Degree $2$
Conductor $18491$
Sign $-1$
Analytic cond. $147.651$
Root an. cond. $12.1511$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s + 3-s + 2·4-s + 5-s − 2·6-s + 2·7-s − 2·9-s − 2·10-s − 11-s + 2·12-s − 4·13-s − 4·14-s + 15-s − 4·16-s + 2·17-s + 4·18-s + 2·20-s + 2·21-s + 2·22-s − 23-s − 4·25-s + 8·26-s − 5·27-s + 4·28-s − 2·30-s + 7·31-s + 8·32-s + ⋯
L(s)  = 1  − 1.41·2-s + 0.577·3-s + 4-s + 0.447·5-s − 0.816·6-s + 0.755·7-s − 2/3·9-s − 0.632·10-s − 0.301·11-s + 0.577·12-s − 1.10·13-s − 1.06·14-s + 0.258·15-s − 16-s + 0.485·17-s + 0.942·18-s + 0.447·20-s + 0.436·21-s + 0.426·22-s − 0.208·23-s − 4/5·25-s + 1.56·26-s − 0.962·27-s + 0.755·28-s − 0.365·30-s + 1.25·31-s + 1.41·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 18491 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 18491 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(18491\)    =    \(11 \cdot 41^{2}\)
Sign: $-1$
Analytic conductor: \(147.651\)
Root analytic conductor: \(12.1511\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 18491,\ (\ :1/2),\ -1)\)

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)$
bad11 \( 1 + T \)
41 \( 1 \)
good2 \( 1 + p T + p T^{2} \)
3 \( 1 - T + p T^{2} \)
5 \( 1 - T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 - 7 T + p T^{2} \)
37 \( 1 - 3 T + p T^{2} \)
43 \( 1 + 6 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 5 T + p T^{2} \)
61 \( 1 - 12 T + p T^{2} \)
67 \( 1 - 7 T + p T^{2} \)
71 \( 1 - 3 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 15 T + p T^{2} \)
97 \( 1 - 7 T + p T^{2} \)
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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

−16.24456738947274, −15.52568747389412, −14.96445316063292, −14.42659003422698, −13.97014246235524, −13.43718677385936, −12.77460952787535, −11.80532652020216, −11.57979595676345, −10.91836655063080, −10.10892538584067, −9.807053443777563, −9.426910093720351, −8.533161498536632, −8.168656713206125, −7.896723878259049, −7.124403448999743, −6.497865314949136, −5.558489055892140, −5.038060269650380, −4.257842775528266, −3.238250867554864, −2.347520168887076, −2.041578279483596, −1.025745927093472, 0, 1.025745927093472, 2.041578279483596, 2.347520168887076, 3.238250867554864, 4.257842775528266, 5.038060269650380, 5.558489055892140, 6.497865314949136, 7.124403448999743, 7.896723878259049, 8.168656713206125, 8.533161498536632, 9.426910093720351, 9.807053443777563, 10.10892538584067, 10.91836655063080, 11.57979595676345, 11.80532652020216, 12.77460952787535, 13.43718677385936, 13.97014246235524, 14.42659003422698, 14.96445316063292, 15.52568747389412, 16.24456738947274

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