Properties

Label 2-3e3-27.4-c7-0-15
Degree $2$
Conductor $27$
Sign $0.0556 + 0.998i$
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  + (11.7 + 4.27i)2-s + (−44.8 + 13.3i)3-s + (21.3 + 17.9i)4-s + (58.4 − 331. i)5-s + (−582. − 34.4i)6-s + (−23.9 + 20.0i)7-s + (−624. − 1.08e3i)8-s + (1.82e3 − 1.19e3i)9-s + (2.10e3 − 3.63e3i)10-s + (−823. − 4.67e3i)11-s + (−1.19e3 − 517. i)12-s + (−1.31e3 + 479. i)13-s + (−366. + 133. i)14-s + (1.81e3 + 1.56e4i)15-s + (−3.32e3 − 1.88e4i)16-s + (−8.97e3 + 1.55e4i)17-s + ⋯
L(s)  = 1  + (1.03 + 0.377i)2-s + (−0.958 + 0.286i)3-s + (0.166 + 0.140i)4-s + (0.209 − 1.18i)5-s + (−1.10 − 0.0650i)6-s + (−0.0263 + 0.0221i)7-s + (−0.431 − 0.747i)8-s + (0.836 − 0.548i)9-s + (0.664 − 1.15i)10-s + (−0.186 − 1.05i)11-s + (−0.200 − 0.0864i)12-s + (−0.166 + 0.0605i)13-s + (−0.0356 + 0.0129i)14-s + (0.138 + 1.19i)15-s + (−0.203 − 1.15i)16-s + (−0.443 + 0.767i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0556 + 0.998i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (0.0556 + 0.998i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.0556 + 0.998i$
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: \((2,\ 27,\ (\ :7/2),\ 0.0556 + 0.998i)\)

Particular Values

\(L(4)\) \(\approx\) \(1.10239 - 1.04262i\)
\(L(\frac12)\) \(\approx\) \(1.10239 - 1.04262i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (44.8 - 13.3i)T \)
good2 \( 1 + (-11.7 - 4.27i)T + (98.0 + 82.2i)T^{2} \)
5 \( 1 + (-58.4 + 331. i)T + (-7.34e4 - 2.67e4i)T^{2} \)
7 \( 1 + (23.9 - 20.0i)T + (1.43e5 - 8.11e5i)T^{2} \)
11 \( 1 + (823. + 4.67e3i)T + (-1.83e7 + 6.66e6i)T^{2} \)
13 \( 1 + (1.31e3 - 479. i)T + (4.80e7 - 4.03e7i)T^{2} \)
17 \( 1 + (8.97e3 - 1.55e4i)T + (-2.05e8 - 3.55e8i)T^{2} \)
19 \( 1 + (291. + 505. i)T + (-4.46e8 + 7.74e8i)T^{2} \)
23 \( 1 + (7.01e4 + 5.88e4i)T + (5.91e8 + 3.35e9i)T^{2} \)
29 \( 1 + (-1.65e5 - 6.01e4i)T + (1.32e10 + 1.10e10i)T^{2} \)
31 \( 1 + (-2.67e4 - 2.24e4i)T + (4.77e9 + 2.70e10i)T^{2} \)
37 \( 1 + (1.47e5 - 2.54e5i)T + (-4.74e10 - 8.22e10i)T^{2} \)
41 \( 1 + (-7.65e5 + 2.78e5i)T + (1.49e11 - 1.25e11i)T^{2} \)
43 \( 1 + (1.17e5 + 6.67e5i)T + (-2.55e11 + 9.29e10i)T^{2} \)
47 \( 1 + (-7.17e5 + 6.01e5i)T + (8.79e10 - 4.98e11i)T^{2} \)
53 \( 1 - 4.14e5T + 1.17e12T^{2} \)
59 \( 1 + (-2.82e5 + 1.60e6i)T + (-2.33e12 - 8.51e11i)T^{2} \)
61 \( 1 + (-1.50e6 + 1.26e6i)T + (5.45e11 - 3.09e12i)T^{2} \)
67 \( 1 + (-7.28e5 + 2.65e5i)T + (4.64e12 - 3.89e12i)T^{2} \)
71 \( 1 + (2.73e6 - 4.74e6i)T + (-4.54e12 - 7.87e12i)T^{2} \)
73 \( 1 + (2.49e6 + 4.32e6i)T + (-5.52e12 + 9.56e12i)T^{2} \)
79 \( 1 + (1.31e6 + 4.76e5i)T + (1.47e13 + 1.23e13i)T^{2} \)
83 \( 1 + (-6.81e5 - 2.48e5i)T + (2.07e13 + 1.74e13i)T^{2} \)
89 \( 1 + (-3.25e6 - 5.63e6i)T + (-2.21e13 + 3.83e13i)T^{2} \)
97 \( 1 + (6.35e5 + 3.60e6i)T + (-7.59e13 + 2.76e13i)T^{2} \)
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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

−15.68337634980881267667447407495, −14.08703649542009734343318680890, −12.89208245837567053248834816761, −12.09489249492118378956724953473, −10.36501040744522660473101381794, −8.772608144548618701045068770927, −6.34385941192777681910957983019, −5.30983315894719690512281056436, −4.16686842996619336009922218337, −0.62062810570522405604153960421, 2.44863784368987831117501802440, 4.45007680264351471379450021714, 5.97425365647531615876145038662, 7.36277932733548055698607249012, 10.02196255650888256228708388306, 11.29436008744418922024724868505, 12.24414604511472936163576071220, 13.44780938112560104661030519957, 14.53696780147909026850689671675, 15.82345935792329989613229374784

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