Properties

Label 2-3e4-27.4-c1-0-0
Degree $2$
Conductor $81$
Sign $0.301 + 0.953i$
Analytic cond. $0.646788$
Root an. cond. $0.804231$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.753 − 0.274i)2-s + (−1.03 − 0.872i)4-s + (0.477 − 2.70i)5-s + (1.82 − 1.52i)7-s + (1.34 + 2.33i)8-s + (−1.10 + 1.90i)10-s + (0.0434 + 0.246i)11-s + (−2.45 + 0.893i)13-s + (−1.79 + 0.651i)14-s + (0.0969 + 0.549i)16-s + (−0.146 + 0.254i)17-s + (1.39 + 2.41i)19-s + (−2.85 + 2.39i)20-s + (0.0348 − 0.197i)22-s + (5.12 + 4.30i)23-s + ⋯
L(s)  = 1  + (−0.532 − 0.193i)2-s + (−0.519 − 0.436i)4-s + (0.213 − 1.21i)5-s + (0.688 − 0.577i)7-s + (0.475 + 0.823i)8-s + (−0.348 + 0.603i)10-s + (0.0130 + 0.0742i)11-s + (−0.680 + 0.247i)13-s + (−0.478 + 0.174i)14-s + (0.0242 + 0.137i)16-s + (−0.0355 + 0.0616i)17-s + (0.319 + 0.553i)19-s + (−0.639 + 0.536i)20-s + (0.00742 − 0.0420i)22-s + (1.06 + 0.896i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.301 + 0.953i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.301 + 0.953i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $0.301 + 0.953i$
Analytic conductor: \(0.646788\)
Root analytic conductor: \(0.804231\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{81} (64, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 81,\ (\ :1/2),\ 0.301 + 0.953i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.573690 - 0.420206i\)
\(L(\frac12)\) \(\approx\) \(0.573690 - 0.420206i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 + (0.753 + 0.274i)T + (1.53 + 1.28i)T^{2} \)
5 \( 1 + (-0.477 + 2.70i)T + (-4.69 - 1.71i)T^{2} \)
7 \( 1 + (-1.82 + 1.52i)T + (1.21 - 6.89i)T^{2} \)
11 \( 1 + (-0.0434 - 0.246i)T + (-10.3 + 3.76i)T^{2} \)
13 \( 1 + (2.45 - 0.893i)T + (9.95 - 8.35i)T^{2} \)
17 \( 1 + (0.146 - 0.254i)T + (-8.5 - 14.7i)T^{2} \)
19 \( 1 + (-1.39 - 2.41i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (-5.12 - 4.30i)T + (3.99 + 22.6i)T^{2} \)
29 \( 1 + (0.333 + 0.121i)T + (22.2 + 18.6i)T^{2} \)
31 \( 1 + (-2.11 - 1.77i)T + (5.38 + 30.5i)T^{2} \)
37 \( 1 + (-3.49 + 6.05i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (9.13 - 3.32i)T + (31.4 - 26.3i)T^{2} \)
43 \( 1 + (-0.0452 - 0.256i)T + (-40.4 + 14.7i)T^{2} \)
47 \( 1 + (-8.75 + 7.34i)T + (8.16 - 46.2i)T^{2} \)
53 \( 1 + 5.43T + 53T^{2} \)
59 \( 1 + (1.03 - 5.88i)T + (-55.4 - 20.1i)T^{2} \)
61 \( 1 + (9.07 - 7.61i)T + (10.5 - 60.0i)T^{2} \)
67 \( 1 + (1.70 - 0.619i)T + (51.3 - 43.0i)T^{2} \)
71 \( 1 + (0.185 - 0.320i)T + (-35.5 - 61.4i)T^{2} \)
73 \( 1 + (2.51 + 4.35i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + (0.754 + 0.274i)T + (60.5 + 50.7i)T^{2} \)
83 \( 1 + (2.58 + 0.942i)T + (63.5 + 53.3i)T^{2} \)
89 \( 1 + (-5.22 - 9.05i)T + (-44.5 + 77.0i)T^{2} \)
97 \( 1 + (2.57 + 14.6i)T + (-91.1 + 33.1i)T^{2} \)
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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

−14.03115487621755002186978317361, −13.18884665265709585647990430793, −11.92796588240086392003422829441, −10.66900091149249135200831714070, −9.561891604673528697294728324869, −8.720036122648035933283018492900, −7.55913224959694942058308933546, −5.41300464380826649732324623648, −4.50418679033153046507861486613, −1.36238949171048255313363429519, 2.89633575768505488749041643482, 4.85924815146617231226069224434, 6.68265611651966187175592938912, 7.76825027649911468376054071092, 8.925964057048762524095118223947, 10.07852245816748326358202970412, 11.16858405132848361462894243814, 12.40442537623368912051654595669, 13.65897207663166899500914290580, 14.64571727848822117510187061342

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