Properties

Label 2-21e2-1.1-c5-0-16
Degree $2$
Conductor $441$
Sign $1$
Analytic cond. $70.7292$
Root an. cond. $8.41006$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5.08·2-s − 6.16·4-s − 41.8·5-s − 193.·8-s − 212.·10-s − 72.0·11-s − 632.·13-s − 788.·16-s + 1.97e3·17-s − 1.86e3·19-s + 257.·20-s − 366.·22-s − 413.·23-s − 1.37e3·25-s − 3.21e3·26-s − 731.·29-s + 6.12e3·31-s + 2.19e3·32-s + 1.00e4·34-s + 1.03e4·37-s − 9.47e3·38-s + 8.11e3·40-s + 3.52e3·41-s − 1.45e4·43-s + 444.·44-s − 2.10e3·46-s + 2.14e4·47-s + ⋯
L(s)  = 1  + 0.898·2-s − 0.192·4-s − 0.748·5-s − 1.07·8-s − 0.672·10-s − 0.179·11-s − 1.03·13-s − 0.770·16-s + 1.65·17-s − 1.18·19-s + 0.144·20-s − 0.161·22-s − 0.163·23-s − 0.440·25-s − 0.932·26-s − 0.161·29-s + 1.14·31-s + 0.379·32-s + 1.48·34-s + 1.24·37-s − 1.06·38-s + 0.801·40-s + 0.327·41-s − 1.19·43-s + 0.0346·44-s − 0.146·46-s + 1.41·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(70.7292\)
Root analytic conductor: \(8.41006\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.713424692\)
\(L(\frac12)\) \(\approx\) \(1.713424692\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 \)
good2 \( 1 - 5.08T + 32T^{2} \)
5 \( 1 + 41.8T + 3.12e3T^{2} \)
11 \( 1 + 72.0T + 1.61e5T^{2} \)
13 \( 1 + 632.T + 3.71e5T^{2} \)
17 \( 1 - 1.97e3T + 1.41e6T^{2} \)
19 \( 1 + 1.86e3T + 2.47e6T^{2} \)
23 \( 1 + 413.T + 6.43e6T^{2} \)
29 \( 1 + 731.T + 2.05e7T^{2} \)
31 \( 1 - 6.12e3T + 2.86e7T^{2} \)
37 \( 1 - 1.03e4T + 6.93e7T^{2} \)
41 \( 1 - 3.52e3T + 1.15e8T^{2} \)
43 \( 1 + 1.45e4T + 1.47e8T^{2} \)
47 \( 1 - 2.14e4T + 2.29e8T^{2} \)
53 \( 1 + 1.25e4T + 4.18e8T^{2} \)
59 \( 1 - 3.61e4T + 7.14e8T^{2} \)
61 \( 1 - 4.02e3T + 8.44e8T^{2} \)
67 \( 1 - 1.55e4T + 1.35e9T^{2} \)
71 \( 1 + 1.21e4T + 1.80e9T^{2} \)
73 \( 1 - 1.95e4T + 2.07e9T^{2} \)
79 \( 1 - 3.60e4T + 3.07e9T^{2} \)
83 \( 1 - 2.45e4T + 3.93e9T^{2} \)
89 \( 1 - 7.02e4T + 5.58e9T^{2} \)
97 \( 1 - 1.05e5T + 8.58e9T^{2} \)
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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

−10.28889319015732535972350739935, −9.513754762161066758765877049684, −8.316608106660271744799049174614, −7.61921877682417396642082379618, −6.35743810614738602675630156248, −5.35812864255038493127223488734, −4.45467313845485669988795822377, −3.61484826467904793548486344018, −2.50824676302521373147626318055, −0.57519829511452390250946893609, 0.57519829511452390250946893609, 2.50824676302521373147626318055, 3.61484826467904793548486344018, 4.45467313845485669988795822377, 5.35812864255038493127223488734, 6.35743810614738602675630156248, 7.61921877682417396642082379618, 8.316608106660271744799049174614, 9.513754762161066758765877049684, 10.28889319015732535972350739935

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