Properties

Label 2-3e4-81.22-c1-0-7
Degree $2$
Conductor $81$
Sign $-0.755 - 0.654i$
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  + (−1.48 − 1.57i)2-s + (−1.47 − 0.900i)3-s + (−0.155 + 2.66i)4-s + (−1.95 + 0.228i)5-s + (0.777 + 3.66i)6-s + (−0.320 − 0.160i)7-s + (1.10 − 0.928i)8-s + (1.37 + 2.66i)9-s + (3.25 + 2.72i)10-s + (−0.894 − 2.07i)11-s + (2.62 − 3.80i)12-s + (−6.78 − 1.60i)13-s + (0.222 + 0.741i)14-s + (3.09 + 1.42i)15-s + (2.20 + 0.257i)16-s + (0.396 − 2.25i)17-s + ⋯
L(s)  = 1  + (−1.04 − 1.11i)2-s + (−0.854 − 0.520i)3-s + (−0.0775 + 1.33i)4-s + (−0.872 + 0.101i)5-s + (0.317 + 1.49i)6-s + (−0.121 − 0.0607i)7-s + (0.391 − 0.328i)8-s + (0.459 + 0.888i)9-s + (1.02 + 0.862i)10-s + (−0.269 − 0.625i)11-s + (0.758 − 1.09i)12-s + (−1.88 − 0.445i)13-s + (0.0593 + 0.198i)14-s + (0.798 + 0.366i)15-s + (0.550 + 0.0643i)16-s + (0.0962 − 0.546i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.755 - 0.654i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 81 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.755 - 0.654i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(81\)    =    \(3^{4}\)
Sign: $-0.755 - 0.654i$
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: \((2,\ 81,\ (\ :1/2),\ -0.755 - 0.654i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0588442 + 0.157805i\)
\(L(\frac12)\) \(\approx\) \(0.0588442 + 0.157805i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.47 + 0.900i)T \)
good2 \( 1 + (1.48 + 1.57i)T + (-0.116 + 1.99i)T^{2} \)
5 \( 1 + (1.95 - 0.228i)T + (4.86 - 1.15i)T^{2} \)
7 \( 1 + (0.320 + 0.160i)T + (4.18 + 5.61i)T^{2} \)
11 \( 1 + (0.894 + 2.07i)T + (-7.54 + 8.00i)T^{2} \)
13 \( 1 + (6.78 + 1.60i)T + (11.6 + 5.83i)T^{2} \)
17 \( 1 + (-0.396 + 2.25i)T + (-15.9 - 5.81i)T^{2} \)
19 \( 1 + (1.11 + 6.34i)T + (-17.8 + 6.49i)T^{2} \)
23 \( 1 + (-2.66 + 1.33i)T + (13.7 - 18.4i)T^{2} \)
29 \( 1 + (1.97 - 6.60i)T + (-24.2 - 15.9i)T^{2} \)
31 \( 1 + (-2.70 - 1.78i)T + (12.2 + 28.4i)T^{2} \)
37 \( 1 + (-7.54 + 2.74i)T + (28.3 - 23.7i)T^{2} \)
41 \( 1 + (1.48 - 1.56i)T + (-2.38 - 40.9i)T^{2} \)
43 \( 1 + (2.40 - 3.23i)T + (-12.3 - 41.1i)T^{2} \)
47 \( 1 + (-4.29 + 2.82i)T + (18.6 - 43.1i)T^{2} \)
53 \( 1 + (2.78 - 4.82i)T + (-26.5 - 45.8i)T^{2} \)
59 \( 1 + (-5.03 + 11.6i)T + (-40.4 - 42.9i)T^{2} \)
61 \( 1 + (0.123 + 2.12i)T + (-60.5 + 7.08i)T^{2} \)
67 \( 1 + (-1.02 - 3.42i)T + (-55.9 + 36.8i)T^{2} \)
71 \( 1 + (10.2 + 8.59i)T + (12.3 + 69.9i)T^{2} \)
73 \( 1 + (-1.01 + 0.850i)T + (12.6 - 71.8i)T^{2} \)
79 \( 1 + (1.41 + 1.49i)T + (-4.59 + 78.8i)T^{2} \)
83 \( 1 + (-4.49 - 4.76i)T + (-4.82 + 82.8i)T^{2} \)
89 \( 1 + (-0.344 + 0.289i)T + (15.4 - 87.6i)T^{2} \)
97 \( 1 + (9.74 + 1.13i)T + (94.3 + 22.3i)T^{2} \)
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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

−13.09331877251831659147354703965, −12.19494781945408131205445453911, −11.40264519036238458674935986534, −10.66429893716839406208927115056, −9.478806342849838769897713377023, −8.026477487075114127218855793745, −7.06939157283196114708006600554, −5.02550434941107152618809870145, −2.75638999681381883807236768823, −0.31886031586688489646151823194, 4.34300810695175964535428837500, 5.83044054406207264816006362225, 7.15085442037796890204160108076, 8.002096581861220875333815647045, 9.567667748734323325972057227438, 10.15880333034800388882077553099, 11.75643491120748608053817452725, 12.51541925197986152783820413742, 14.81013320676862956823993564667, 15.20094929236941803473249971461

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