Properties

Label 2-3e4-81.22-c1-0-1
Degree $2$
Conductor $81$
Sign $0.0621 - 0.998i$
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  + (1.18 + 1.26i)2-s + (−1.21 + 1.23i)3-s + (−0.0583 + 1.00i)4-s + (−1.90 + 0.222i)5-s + (−3.00 − 0.0611i)6-s + (4.00 + 2.00i)7-s + (1.32 − 1.10i)8-s + (−0.0522 − 2.99i)9-s + (−2.54 − 2.13i)10-s + (−2.00 − 4.65i)11-s + (−1.16 − 1.28i)12-s + (−1.48 − 0.352i)13-s + (2.22 + 7.43i)14-s + (2.03 − 2.61i)15-s + (4.96 + 0.580i)16-s + (−0.703 + 3.99i)17-s + ⋯
L(s)  = 1  + (0.841 + 0.891i)2-s + (−0.700 + 0.713i)3-s + (−0.0291 + 0.501i)4-s + (−0.850 + 0.0994i)5-s + (−1.22 − 0.0249i)6-s + (1.51 + 0.759i)7-s + (0.467 − 0.392i)8-s + (−0.0174 − 0.999i)9-s + (−0.804 − 0.674i)10-s + (−0.605 − 1.40i)11-s + (−0.337 − 0.372i)12-s + (−0.412 − 0.0978i)13-s + (0.594 + 1.98i)14-s + (0.525 − 0.676i)15-s + (1.24 + 0.145i)16-s + (−0.170 + 0.967i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0621 - 0.998i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.0621 - 0.998i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $0.0621 - 0.998i$
Analytic conductor: \(0.646788\)
Root analytic conductor: \(0.804231\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{81} (22, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 81,\ (\ :1/2),\ 0.0621 - 0.998i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.838874 + 0.788290i\)
\(L(\frac12)\) \(\approx\) \(0.838874 + 0.788290i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.21 - 1.23i)T \)
good2 \( 1 + (-1.18 - 1.26i)T + (-0.116 + 1.99i)T^{2} \)
5 \( 1 + (1.90 - 0.222i)T + (4.86 - 1.15i)T^{2} \)
7 \( 1 + (-4.00 - 2.00i)T + (4.18 + 5.61i)T^{2} \)
11 \( 1 + (2.00 + 4.65i)T + (-7.54 + 8.00i)T^{2} \)
13 \( 1 + (1.48 + 0.352i)T + (11.6 + 5.83i)T^{2} \)
17 \( 1 + (0.703 - 3.99i)T + (-15.9 - 5.81i)T^{2} \)
19 \( 1 + (0.430 + 2.44i)T + (-17.8 + 6.49i)T^{2} \)
23 \( 1 + (1.51 - 0.761i)T + (13.7 - 18.4i)T^{2} \)
29 \( 1 + (0.835 - 2.79i)T + (-24.2 - 15.9i)T^{2} \)
31 \( 1 + (4.90 + 3.22i)T + (12.2 + 28.4i)T^{2} \)
37 \( 1 + (3.32 - 1.20i)T + (28.3 - 23.7i)T^{2} \)
41 \( 1 + (-3.07 + 3.25i)T + (-2.38 - 40.9i)T^{2} \)
43 \( 1 + (-2.67 + 3.58i)T + (-12.3 - 41.1i)T^{2} \)
47 \( 1 + (-2.58 + 1.69i)T + (18.6 - 43.1i)T^{2} \)
53 \( 1 + (1.49 - 2.59i)T + (-26.5 - 45.8i)T^{2} \)
59 \( 1 + (0.820 - 1.90i)T + (-40.4 - 42.9i)T^{2} \)
61 \( 1 + (-0.490 - 8.41i)T + (-60.5 + 7.08i)T^{2} \)
67 \( 1 + (3.13 + 10.4i)T + (-55.9 + 36.8i)T^{2} \)
71 \( 1 + (0.318 + 0.267i)T + (12.3 + 69.9i)T^{2} \)
73 \( 1 + (6.86 - 5.76i)T + (12.6 - 71.8i)T^{2} \)
79 \( 1 + (-10.7 - 11.4i)T + (-4.59 + 78.8i)T^{2} \)
83 \( 1 + (-5.35 - 5.68i)T + (-4.82 + 82.8i)T^{2} \)
89 \( 1 + (-2.88 + 2.42i)T + (15.4 - 87.6i)T^{2} \)
97 \( 1 + (9.96 + 1.16i)T + (94.3 + 22.3i)T^{2} \)
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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

−15.02028596861524577892615535035, −13.93130082997937089536379870021, −12.44529086975534872580373083373, −11.33873834974220217039139551898, −10.66868056506696101362494031101, −8.689657716205243292177990241729, −7.59186950639378333594761214665, −5.89283430320555612784352660314, −5.14578873505365701768439845558, −3.93079967434527822511745579353, 1.96312216619758705253530953510, 4.35696923393780539344019526561, 5.05040201720230738475175052119, 7.44174033130949592679796161174, 7.83299847141214451885489072234, 10.36381177766010410990416254433, 11.28903227997110831452976369759, 11.95358577183355471436931988310, 12.72562138713614816764132224673, 13.86676805152873698119437523414

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