Properties

Label 2-3e4-81.25-c1-0-3
Degree $2$
Conductor $81$
Sign $0.913 - 0.405i$
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  + (−2.38 + 1.19i)2-s + (1.71 + 0.238i)3-s + (3.06 − 4.11i)4-s + (0.727 − 2.42i)5-s + (−4.37 + 1.48i)6-s + (0.202 − 0.469i)7-s + (−1.44 + 8.22i)8-s + (2.88 + 0.817i)9-s + (1.17 + 6.66i)10-s + (1.49 + 0.354i)11-s + (6.23 − 6.32i)12-s + (−4.71 + 3.09i)13-s + (0.0793 + 1.36i)14-s + (1.82 − 3.99i)15-s + (−3.45 − 11.5i)16-s + (−1.33 − 0.484i)17-s + ⋯
L(s)  = 1  + (−1.68 + 0.847i)2-s + (0.990 + 0.137i)3-s + (1.53 − 2.05i)4-s + (0.325 − 1.08i)5-s + (−1.78 + 0.607i)6-s + (0.0764 − 0.177i)7-s + (−0.512 + 2.90i)8-s + (0.962 + 0.272i)9-s + (0.371 + 2.10i)10-s + (0.450 + 0.106i)11-s + (1.79 − 1.82i)12-s + (−1.30 + 0.859i)13-s + (0.0211 + 0.363i)14-s + (0.471 − 1.03i)15-s + (−0.862 − 2.88i)16-s + (−0.322 − 0.117i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.913 - 0.405i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.913 - 0.405i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $0.913 - 0.405i$
Analytic conductor: \(0.646788\)
Root analytic conductor: \(0.804231\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{81} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 81,\ (\ :1/2),\ 0.913 - 0.405i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.635427 + 0.134736i\)
\(L(\frac12)\) \(\approx\) \(0.635427 + 0.134736i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.71 - 0.238i)T \)
good2 \( 1 + (2.38 - 1.19i)T + (1.19 - 1.60i)T^{2} \)
5 \( 1 + (-0.727 + 2.42i)T + (-4.17 - 2.74i)T^{2} \)
7 \( 1 + (-0.202 + 0.469i)T + (-4.80 - 5.09i)T^{2} \)
11 \( 1 + (-1.49 - 0.354i)T + (9.82 + 4.93i)T^{2} \)
13 \( 1 + (4.71 - 3.09i)T + (5.14 - 11.9i)T^{2} \)
17 \( 1 + (1.33 + 0.484i)T + (13.0 + 10.9i)T^{2} \)
19 \( 1 + (-0.986 + 0.359i)T + (14.5 - 12.2i)T^{2} \)
23 \( 1 + (-0.103 - 0.239i)T + (-15.7 + 16.7i)T^{2} \)
29 \( 1 + (0.103 - 1.77i)T + (-28.8 - 3.36i)T^{2} \)
31 \( 1 + (5.13 + 0.599i)T + (30.1 + 7.14i)T^{2} \)
37 \( 1 + (5.04 - 4.23i)T + (6.42 - 36.4i)T^{2} \)
41 \( 1 + (6.03 + 3.03i)T + (24.4 + 32.8i)T^{2} \)
43 \( 1 + (-4.19 + 4.44i)T + (-2.50 - 42.9i)T^{2} \)
47 \( 1 + (7.26 - 0.848i)T + (45.7 - 10.8i)T^{2} \)
53 \( 1 + (-4.74 - 8.21i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + (4.82 - 1.14i)T + (52.7 - 26.4i)T^{2} \)
61 \( 1 + (7.70 + 10.3i)T + (-17.4 + 58.4i)T^{2} \)
67 \( 1 + (0.373 + 6.40i)T + (-66.5 + 7.77i)T^{2} \)
71 \( 1 + (0.896 + 5.08i)T + (-66.7 + 24.2i)T^{2} \)
73 \( 1 + (1.03 - 5.87i)T + (-68.5 - 24.9i)T^{2} \)
79 \( 1 + (-8.88 + 4.46i)T + (47.1 - 63.3i)T^{2} \)
83 \( 1 + (-11.5 + 5.81i)T + (49.5 - 66.5i)T^{2} \)
89 \( 1 + (1.71 - 9.71i)T + (-83.6 - 30.4i)T^{2} \)
97 \( 1 + (-1.03 - 3.44i)T + (-81.0 + 53.3i)T^{2} \)
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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

−14.75741118556724189615965075556, −13.80364620890676650629480692807, −12.17489699228281643123589045754, −10.49517277142775370025351514899, −9.213650461005199371679324396116, −9.158984850424488719297315832303, −7.80711125731332191315600769670, −6.84795445479317731198182949351, −4.94988147862899352730689825929, −1.78469531244498435919842016086, 2.19511514743989928642532476910, 3.27278229191209588631189980987, 6.87117131731274078451387433775, 7.71204132256759362126205523326, 8.873487758739507447784824122875, 9.875789373439421969078153618594, 10.54416872078330315062874548976, 11.83453856866474517104425680103, 12.93474703720603036537414548147, 14.45824782597288216743762711666

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