Properties

Label 2-2e4-1.1-c21-0-6
Degree $2$
Conductor $16$
Sign $-1$
Analytic cond. $44.7163$
Root an. cond. $6.68703$
Motivic weight $21$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 6.22e4·3-s − 1.24e6·5-s + 2.63e8·7-s − 6.58e9·9-s + 3.37e10·11-s + 2.50e11·13-s + 7.75e10·15-s + 2.34e11·17-s + 3.24e13·19-s − 1.63e13·21-s + 9.63e13·23-s − 4.75e14·25-s + 1.06e15·27-s − 3.86e15·29-s + 2.26e15·31-s − 2.09e15·33-s − 3.27e14·35-s + 4.75e15·37-s − 1.56e16·39-s + 3.56e16·41-s − 2.20e17·43-s + 8.20e15·45-s − 4.79e17·47-s − 4.89e17·49-s − 1.46e16·51-s − 1.86e18·53-s − 4.19e16·55-s + ⋯
L(s)  = 1  − 0.608·3-s − 0.0570·5-s + 0.351·7-s − 0.629·9-s + 0.391·11-s + 0.504·13-s + 0.0347·15-s + 0.0282·17-s + 1.21·19-s − 0.214·21-s + 0.484·23-s − 0.996·25-s + 0.991·27-s − 1.70·29-s + 0.497·31-s − 0.238·33-s − 0.0200·35-s + 0.162·37-s − 0.307·39-s + 0.414·41-s − 1.55·43-s + 0.0359·45-s − 1.33·47-s − 0.876·49-s − 0.0171·51-s − 1.46·53-s − 0.0223·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $-1$
Analytic conductor: \(44.7163\)
Root analytic conductor: \(6.68703\)
Motivic weight: \(21\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 16,\ (\ :21/2),\ -1)\)

Particular Values

\(L(11)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{23}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 6.22e4T + 1.04e10T^{2} \)
5 \( 1 + 1.24e6T + 4.76e14T^{2} \)
7 \( 1 - 2.63e8T + 5.58e17T^{2} \)
11 \( 1 - 3.37e10T + 7.40e21T^{2} \)
13 \( 1 - 2.50e11T + 2.47e23T^{2} \)
17 \( 1 - 2.34e11T + 6.90e25T^{2} \)
19 \( 1 - 3.24e13T + 7.14e26T^{2} \)
23 \( 1 - 9.63e13T + 3.94e28T^{2} \)
29 \( 1 + 3.86e15T + 5.13e30T^{2} \)
31 \( 1 - 2.26e15T + 2.08e31T^{2} \)
37 \( 1 - 4.75e15T + 8.55e32T^{2} \)
41 \( 1 - 3.56e16T + 7.38e33T^{2} \)
43 \( 1 + 2.20e17T + 2.00e34T^{2} \)
47 \( 1 + 4.79e17T + 1.30e35T^{2} \)
53 \( 1 + 1.86e18T + 1.62e36T^{2} \)
59 \( 1 + 1.23e18T + 1.54e37T^{2} \)
61 \( 1 + 6.27e18T + 3.10e37T^{2} \)
67 \( 1 + 1.72e19T + 2.22e38T^{2} \)
71 \( 1 + 3.13e19T + 7.52e38T^{2} \)
73 \( 1 - 5.49e19T + 1.34e39T^{2} \)
79 \( 1 - 8.34e19T + 7.08e39T^{2} \)
83 \( 1 - 1.22e20T + 1.99e40T^{2} \)
89 \( 1 - 1.21e20T + 8.65e40T^{2} \)
97 \( 1 - 3.73e20T + 5.27e41T^{2} \)
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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

−13.50072769424757897795134085182, −11.86404217977977962909111535407, −11.07402930169592716901347133561, −9.402768783829289624745260369078, −7.88412290185209961002429235423, −6.24975066658183837976238906572, −5.04916159813311775216566776590, −3.34581490895613832752229071053, −1.47663734981759828215711932630, 0, 1.47663734981759828215711932630, 3.34581490895613832752229071053, 5.04916159813311775216566776590, 6.24975066658183837976238906572, 7.88412290185209961002429235423, 9.402768783829289624745260369078, 11.07402930169592716901347133561, 11.86404217977977962909111535407, 13.50072769424757897795134085182

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