Properties

Label 2-3e3-27.20-c2-0-2
Degree $2$
Conductor $27$
Sign $0.737 - 0.675i$
Analytic cond. $0.735696$
Root an. cond. $0.857727$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.833 + 2.28i)2-s + (1.56 − 2.56i)3-s + (−1.48 + 1.24i)4-s + (−8.90 + 1.56i)5-s + (7.16 + 1.44i)6-s + (−1.32 − 1.11i)7-s + (4.35 + 2.51i)8-s + (−4.11 − 8.00i)9-s + (−11.0 − 19.0i)10-s + (8.66 + 1.52i)11-s + (0.869 + 5.74i)12-s + (4.31 + 1.57i)13-s + (1.44 − 3.96i)14-s + (−9.89 + 25.2i)15-s + (−3.47 + 19.6i)16-s + (−5.16 + 2.98i)17-s + ⋯
L(s)  = 1  + (0.416 + 1.14i)2-s + (0.520 − 0.853i)3-s + (−0.370 + 0.311i)4-s + (−1.78 + 0.313i)5-s + (1.19 + 0.240i)6-s + (−0.189 − 0.158i)7-s + (0.544 + 0.314i)8-s + (−0.457 − 0.889i)9-s + (−1.10 − 1.90i)10-s + (0.788 + 0.138i)11-s + (0.0724 + 0.478i)12-s + (0.332 + 0.120i)13-s + (0.103 − 0.283i)14-s + (−0.659 + 1.68i)15-s + (−0.217 + 1.23i)16-s + (−0.304 + 0.175i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.737 - 0.675i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.737 - 0.675i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.737 - 0.675i$
Analytic conductor: \(0.735696\)
Root analytic conductor: \(0.857727\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (20, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :1),\ 0.737 - 0.675i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.04709 + 0.406979i\)
\(L(\frac12)\) \(\approx\) \(1.04709 + 0.406979i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.56 + 2.56i)T \)
good2 \( 1 + (-0.833 - 2.28i)T + (-3.06 + 2.57i)T^{2} \)
5 \( 1 + (8.90 - 1.56i)T + (23.4 - 8.55i)T^{2} \)
7 \( 1 + (1.32 + 1.11i)T + (8.50 + 48.2i)T^{2} \)
11 \( 1 + (-8.66 - 1.52i)T + (113. + 41.3i)T^{2} \)
13 \( 1 + (-4.31 - 1.57i)T + (129. + 108. i)T^{2} \)
17 \( 1 + (5.16 - 2.98i)T + (144.5 - 250. i)T^{2} \)
19 \( 1 + (0.342 - 0.593i)T + (-180.5 - 312. i)T^{2} \)
23 \( 1 + (8.55 + 10.1i)T + (-91.8 + 520. i)T^{2} \)
29 \( 1 + (5.73 + 15.7i)T + (-644. + 540. i)T^{2} \)
31 \( 1 + (20.0 - 16.8i)T + (166. - 946. i)T^{2} \)
37 \( 1 + (-22.1 - 38.3i)T + (-684.5 + 1.18e3i)T^{2} \)
41 \( 1 + (-23.5 + 64.5i)T + (-1.28e3 - 1.08e3i)T^{2} \)
43 \( 1 + (0.142 - 0.805i)T + (-1.73e3 - 632. i)T^{2} \)
47 \( 1 + (0.755 - 0.900i)T + (-383. - 2.17e3i)T^{2} \)
53 \( 1 - 46.1iT - 2.80e3T^{2} \)
59 \( 1 + (48.2 - 8.51i)T + (3.27e3 - 1.19e3i)T^{2} \)
61 \( 1 + (46.4 + 38.9i)T + (646. + 3.66e3i)T^{2} \)
67 \( 1 + (-85.1 - 31.0i)T + (3.43e3 + 2.88e3i)T^{2} \)
71 \( 1 + (-51.0 + 29.4i)T + (2.52e3 - 4.36e3i)T^{2} \)
73 \( 1 + (15.7 - 27.2i)T + (-2.66e3 - 4.61e3i)T^{2} \)
79 \( 1 + (99.2 - 36.1i)T + (4.78e3 - 4.01e3i)T^{2} \)
83 \( 1 + (-50.5 - 138. i)T + (-5.27e3 + 4.42e3i)T^{2} \)
89 \( 1 + (-2.88 - 1.66i)T + (3.96e3 + 6.85e3i)T^{2} \)
97 \( 1 + (-15.0 + 85.5i)T + (-8.84e3 - 3.21e3i)T^{2} \)
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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

−16.96377872496331911240563680471, −15.74034832935604589883228089998, −14.92814435503727244963783834840, −13.96838490192263041016698776927, −12.44515569715350319633409913093, −11.22447499619343015503788936221, −8.520630593858072071380667654624, −7.47578717836839085902384681120, −6.53983233447434020252870815731, −3.96846504996240448051519862456, 3.41357251968246831989039095861, 4.39167647735238716486069855887, 7.74861597988520061509586744756, 9.234442587492667376533391135283, 10.96445072311416428053658560137, 11.67499512432465711045740731347, 12.93731656331204619882134497181, 14.54710227269057610328104774652, 15.78835295592417446883308971038, 16.50097432902192303972969795957

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