Properties

Label 2-3e3-27.4-c7-0-4
Degree $2$
Conductor $27$
Sign $0.621 - 0.783i$
Analytic cond. $8.43439$
Root an. cond. $2.90420$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−20.1 − 7.32i)2-s + (46.7 − 2.24i)3-s + (253. + 212. i)4-s + (26.6 − 151. i)5-s + (−956. − 297. i)6-s + (−1.12e3 + 942. i)7-s + (−2.17e3 − 3.76e3i)8-s + (2.17e3 − 209. i)9-s + (−1.64e3 + 2.84e3i)10-s + (679. + 3.85e3i)11-s + (1.23e4 + 9.36e3i)12-s + (−3.14e3 + 1.14e3i)13-s + (2.95e4 − 1.07e4i)14-s + (906. − 7.12e3i)15-s + (8.80e3 + 4.99e4i)16-s + (−6.06e3 + 1.05e4i)17-s + ⋯
L(s)  = 1  + (−1.77 − 0.647i)2-s + (0.998 − 0.0479i)3-s + (1.97 + 1.66i)4-s + (0.0953 − 0.540i)5-s + (−1.80 − 0.561i)6-s + (−1.23 + 1.03i)7-s + (−1.49 − 2.59i)8-s + (0.995 − 0.0957i)9-s + (−0.520 + 0.900i)10-s + (0.153 + 0.872i)11-s + (2.05 + 1.56i)12-s + (−0.397 + 0.144i)13-s + (2.87 − 1.04i)14-s + (0.0693 − 0.544i)15-s + (0.537 + 3.04i)16-s + (−0.299 + 0.518i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.621 - 0.783i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (0.621 - 0.783i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.621 - 0.783i$
Analytic conductor: \(8.43439\)
Root analytic conductor: \(2.90420\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (4, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :7/2),\ 0.621 - 0.783i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.678846 + 0.327983i\)
\(L(\frac12)\) \(\approx\) \(0.678846 + 0.327983i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-46.7 + 2.24i)T \)
good2 \( 1 + (20.1 + 7.32i)T + (98.0 + 82.2i)T^{2} \)
5 \( 1 + (-26.6 + 151. i)T + (-7.34e4 - 2.67e4i)T^{2} \)
7 \( 1 + (1.12e3 - 942. i)T + (1.43e5 - 8.11e5i)T^{2} \)
11 \( 1 + (-679. - 3.85e3i)T + (-1.83e7 + 6.66e6i)T^{2} \)
13 \( 1 + (3.14e3 - 1.14e3i)T + (4.80e7 - 4.03e7i)T^{2} \)
17 \( 1 + (6.06e3 - 1.05e4i)T + (-2.05e8 - 3.55e8i)T^{2} \)
19 \( 1 + (-1.60e4 - 2.78e4i)T + (-4.46e8 + 7.74e8i)T^{2} \)
23 \( 1 + (-2.99e4 - 2.51e4i)T + (5.91e8 + 3.35e9i)T^{2} \)
29 \( 1 + (1.44e5 + 5.27e4i)T + (1.32e10 + 1.10e10i)T^{2} \)
31 \( 1 + (-1.92e5 - 1.61e5i)T + (4.77e9 + 2.70e10i)T^{2} \)
37 \( 1 + (2.18e5 - 3.78e5i)T + (-4.74e10 - 8.22e10i)T^{2} \)
41 \( 1 + (-7.06e4 + 2.57e4i)T + (1.49e11 - 1.25e11i)T^{2} \)
43 \( 1 + (8.06e4 + 4.57e5i)T + (-2.55e11 + 9.29e10i)T^{2} \)
47 \( 1 + (5.04e5 - 4.23e5i)T + (8.79e10 - 4.98e11i)T^{2} \)
53 \( 1 + 4.24e5T + 1.17e12T^{2} \)
59 \( 1 + (-1.81e5 + 1.02e6i)T + (-2.33e12 - 8.51e11i)T^{2} \)
61 \( 1 + (-1.35e6 + 1.13e6i)T + (5.45e11 - 3.09e12i)T^{2} \)
67 \( 1 + (2.16e6 - 7.87e5i)T + (4.64e12 - 3.89e12i)T^{2} \)
71 \( 1 + (1.66e6 - 2.88e6i)T + (-4.54e12 - 7.87e12i)T^{2} \)
73 \( 1 + (9.67e4 + 1.67e5i)T + (-5.52e12 + 9.56e12i)T^{2} \)
79 \( 1 + (-5.61e5 - 2.04e5i)T + (1.47e13 + 1.23e13i)T^{2} \)
83 \( 1 + (-3.41e5 - 1.24e5i)T + (2.07e13 + 1.74e13i)T^{2} \)
89 \( 1 + (2.76e6 + 4.79e6i)T + (-2.21e13 + 3.83e13i)T^{2} \)
97 \( 1 + (-2.89e5 - 1.63e6i)T + (-7.59e13 + 2.76e13i)T^{2} \)
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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

−16.15340919450131125747205189539, −15.23077267724242286465196757545, −12.86339288995768004845193719660, −12.09920778341330235174225578652, −10.00682192398366186448953075788, −9.358045435537599602588713472546, −8.401389349872257512054142811768, −6.91911435481546917459172359414, −3.10422785946958254899873992082, −1.68953137451603625819554914614, 0.59584781970560932153362713537, 2.88281620806234787375866697473, 6.63963279202339468240014642715, 7.44712647450588914936962334067, 8.969088101766899649701648292694, 9.873151926619253402747539675099, 10.90342081044105641184606757403, 13.46300405609163181517331587994, 14.75214203951090197078844985385, 15.95189966066731873342512721103

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