Properties

Label 2-21e2-7.2-c3-0-7
Degree $2$
Conductor $441$
Sign $-0.991 - 0.126i$
Analytic cond. $26.0198$
Root an. cond. $5.10096$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2.5 + 4.33i)2-s + (−8.50 − 14.7i)4-s + 45.0·8-s + (−34 − 58.8i)11-s + (−44.5 + 77.0i)16-s + 340·22-s + (−20 + 34.6i)23-s + (62.5 + 108. i)25-s + 166·29-s + (−42.5 − 73.6i)32-s + (−225 + 389. i)37-s − 180·43-s + (−578. + 1.00e3i)44-s + (−100. − 173. i)46-s − 625·50-s + ⋯
L(s)  = 1  + (−0.883 + 1.53i)2-s + (−1.06 − 1.84i)4-s + 1.98·8-s + (−0.931 − 1.61i)11-s + (−0.695 + 1.20i)16-s + 3.29·22-s + (−0.181 + 0.314i)23-s + (0.5 + 0.866i)25-s + 1.06·29-s + (−0.234 − 0.406i)32-s + (−0.999 + 1.73i)37-s − 0.638·43-s + (−1.98 + 3.43i)44-s + (−0.320 − 0.555i)46-s − 1.76·50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.991 - 0.126i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.991 - 0.126i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.991 - 0.126i$
Analytic conductor: \(26.0198\)
Root analytic conductor: \(5.10096\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (226, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :3/2),\ -0.991 - 0.126i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.5855890011\)
\(L(\frac12)\) \(\approx\) \(0.5855890011\)
\(L(\frac{5}{2})\) 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 \( 1 + (2.5 - 4.33i)T + (-4 - 6.92i)T^{2} \)
5 \( 1 + (-62.5 - 108. i)T^{2} \)
11 \( 1 + (34 + 58.8i)T + (-665.5 + 1.15e3i)T^{2} \)
13 \( 1 + 2.19e3T^{2} \)
17 \( 1 + (-2.45e3 + 4.25e3i)T^{2} \)
19 \( 1 + (-3.42e3 - 5.94e3i)T^{2} \)
23 \( 1 + (20 - 34.6i)T + (-6.08e3 - 1.05e4i)T^{2} \)
29 \( 1 - 166T + 2.43e4T^{2} \)
31 \( 1 + (-1.48e4 + 2.57e4i)T^{2} \)
37 \( 1 + (225 - 389. i)T + (-2.53e4 - 4.38e4i)T^{2} \)
41 \( 1 + 6.89e4T^{2} \)
43 \( 1 + 180T + 7.95e4T^{2} \)
47 \( 1 + (-5.19e4 - 8.99e4i)T^{2} \)
53 \( 1 + (-295 - 510. i)T + (-7.44e4 + 1.28e5i)T^{2} \)
59 \( 1 + (-1.02e5 + 1.77e5i)T^{2} \)
61 \( 1 + (-1.13e5 - 1.96e5i)T^{2} \)
67 \( 1 + (-370 - 640. i)T + (-1.50e5 + 2.60e5i)T^{2} \)
71 \( 1 + 688T + 3.57e5T^{2} \)
73 \( 1 + (-1.94e5 + 3.36e5i)T^{2} \)
79 \( 1 + (-692 + 1.19e3i)T + (-2.46e5 - 4.26e5i)T^{2} \)
83 \( 1 + 5.71e5T^{2} \)
89 \( 1 + (-3.52e5 - 6.10e5i)T^{2} \)
97 \( 1 + 9.12e5T^{2} \)
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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

−10.72488346238157930997773090150, −10.05913350975079701122932665626, −8.889780367959263699654933175021, −8.390599288122067433831491335047, −7.56267671468386055070745546481, −6.57075982543942919019653135865, −5.72842454974206573142089391840, −4.93235381803303617779544136860, −3.13981837437279177474721732602, −0.991250718959446163854458220873, 0.31981083005606228011148247347, 1.87588901411534692339525092058, 2.69183637303999692990359341430, 4.04039582634859740243095377758, 5.06251122322544947950230412996, 6.85999101899748916062975684564, 7.88750820645534726855723970240, 8.691118422527247735811299287186, 9.710361886567874244111428662946, 10.27649055342522064769704212857

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