Properties

Label 2-3e3-27.4-c7-0-3
Degree $2$
Conductor $27$
Sign $0.558 - 0.829i$
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  + (−9.04 − 3.29i)2-s + (−20.3 + 42.1i)3-s + (−27.0 − 22.7i)4-s + (82.6 − 468. i)5-s + (322. − 313. i)6-s + (−558. + 468. i)7-s + (786. + 1.36e3i)8-s + (−1.36e3 − 1.71e3i)9-s + (−2.29e3 + 3.96e3i)10-s + (1.14e3 + 6.51e3i)11-s + (1.50e3 − 678. i)12-s + (7.64e3 − 2.78e3i)13-s + (6.59e3 − 2.39e3i)14-s + (1.80e4 + 1.30e4i)15-s + (−1.84e3 − 1.04e4i)16-s + (−9.78e3 + 1.69e4i)17-s + ⋯
L(s)  = 1  + (−0.799 − 0.290i)2-s + (−0.434 + 0.900i)3-s + (−0.211 − 0.177i)4-s + (0.295 − 1.67i)5-s + (0.609 − 0.593i)6-s + (−0.615 + 0.516i)7-s + (0.542 + 0.940i)8-s + (−0.621 − 0.783i)9-s + (−0.724 + 1.25i)10-s + (0.260 + 1.47i)11-s + (0.251 − 0.113i)12-s + (0.965 − 0.351i)13-s + (0.641 − 0.233i)14-s + (1.38 + 0.995i)15-s + (−0.112 − 0.637i)16-s + (−0.482 + 0.836i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.558 - 0.829i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (0.558 - 0.829i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.558 - 0.829i$
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: \((2,\ 27,\ (\ :7/2),\ 0.558 - 0.829i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.592075 + 0.314979i\)
\(L(\frac12)\) \(\approx\) \(0.592075 + 0.314979i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (20.3 - 42.1i)T \)
good2 \( 1 + (9.04 + 3.29i)T + (98.0 + 82.2i)T^{2} \)
5 \( 1 + (-82.6 + 468. i)T + (-7.34e4 - 2.67e4i)T^{2} \)
7 \( 1 + (558. - 468. i)T + (1.43e5 - 8.11e5i)T^{2} \)
11 \( 1 + (-1.14e3 - 6.51e3i)T + (-1.83e7 + 6.66e6i)T^{2} \)
13 \( 1 + (-7.64e3 + 2.78e3i)T + (4.80e7 - 4.03e7i)T^{2} \)
17 \( 1 + (9.78e3 - 1.69e4i)T + (-2.05e8 - 3.55e8i)T^{2} \)
19 \( 1 + (-8.43e3 - 1.46e4i)T + (-4.46e8 + 7.74e8i)T^{2} \)
23 \( 1 + (-4.98e4 - 4.18e4i)T + (5.91e8 + 3.35e9i)T^{2} \)
29 \( 1 + (-1.70e5 - 6.20e4i)T + (1.32e10 + 1.10e10i)T^{2} \)
31 \( 1 + (5.59e4 + 4.69e4i)T + (4.77e9 + 2.70e10i)T^{2} \)
37 \( 1 + (-5.19e4 + 8.99e4i)T + (-4.74e10 - 8.22e10i)T^{2} \)
41 \( 1 + (4.27e5 - 1.55e5i)T + (1.49e11 - 1.25e11i)T^{2} \)
43 \( 1 + (-4.08e4 - 2.31e5i)T + (-2.55e11 + 9.29e10i)T^{2} \)
47 \( 1 + (-2.85e3 + 2.39e3i)T + (8.79e10 - 4.98e11i)T^{2} \)
53 \( 1 - 1.85e6T + 1.17e12T^{2} \)
59 \( 1 + (3.90e5 - 2.21e6i)T + (-2.33e12 - 8.51e11i)T^{2} \)
61 \( 1 + (6.59e5 - 5.53e5i)T + (5.45e11 - 3.09e12i)T^{2} \)
67 \( 1 + (1.12e6 - 4.10e5i)T + (4.64e12 - 3.89e12i)T^{2} \)
71 \( 1 + (1.06e6 - 1.84e6i)T + (-4.54e12 - 7.87e12i)T^{2} \)
73 \( 1 + (1.06e6 + 1.84e6i)T + (-5.52e12 + 9.56e12i)T^{2} \)
79 \( 1 + (4.45e6 + 1.62e6i)T + (1.47e13 + 1.23e13i)T^{2} \)
83 \( 1 + (-1.09e6 - 3.99e5i)T + (2.07e13 + 1.74e13i)T^{2} \)
89 \( 1 + (-1.66e6 - 2.87e6i)T + (-2.21e13 + 3.83e13i)T^{2} \)
97 \( 1 + (-1.26e6 - 7.20e6i)T + (-7.59e13 + 2.76e13i)T^{2} \)
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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

−16.24107010276013241898447574033, −15.10142953960903895173405019370, −13.18338778943194893466180358710, −12.02052271509082865595047403444, −10.31615150577915662025178771860, −9.335103525741997894332570249483, −8.634442082887021336811935358591, −5.67791969626836333688143666108, −4.48010191901145727723683047461, −1.25240132402494937844663508394, 0.55378569246286598864164943210, 3.15791420617078448575741784081, 6.42604434595089614267467138305, 7.05303343315902468097443245151, 8.666611819193657266006217614601, 10.42288881613706345165907213200, 11.38530563418901815421911407934, 13.44506584864658420603462930668, 13.90850668601251515007743196880, 15.99938687377012574358067473650

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