Properties

Label 2-3e3-27.7-c1-0-1
Degree $2$
Conductor $27$
Sign $0.996 + 0.0814i$
Analytic cond. $0.215596$
Root an. cond. $0.464323$
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  + (0.753 − 0.274i)2-s + (−1.68 + 0.386i)3-s + (−1.03 + 0.872i)4-s + (−0.477 − 2.70i)5-s + (−1.16 + 0.753i)6-s + (1.82 + 1.52i)7-s + (−1.34 + 2.33i)8-s + (2.70 − 1.30i)9-s + (−1.10 − 1.90i)10-s + (−0.0434 + 0.246i)11-s + (1.41 − 1.87i)12-s + (−2.45 − 0.893i)13-s + (1.79 + 0.651i)14-s + (1.85 + 4.38i)15-s + (0.0969 − 0.549i)16-s + (0.146 + 0.254i)17-s + ⋯
L(s)  = 1  + (0.532 − 0.193i)2-s + (−0.974 + 0.223i)3-s + (−0.519 + 0.436i)4-s + (−0.213 − 1.21i)5-s + (−0.475 + 0.307i)6-s + (0.688 + 0.577i)7-s + (−0.475 + 0.823i)8-s + (0.900 − 0.434i)9-s + (−0.348 − 0.603i)10-s + (−0.0130 + 0.0742i)11-s + (0.409 − 0.541i)12-s + (−0.680 − 0.247i)13-s + (0.478 + 0.174i)14-s + (0.478 + 1.13i)15-s + (0.0242 − 0.137i)16-s + (0.0355 + 0.0616i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.996 + 0.0814i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.996 + 0.0814i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.996 + 0.0814i$
Analytic conductor: \(0.215596\)
Root analytic conductor: \(0.464323\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (7, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :1/2),\ 0.996 + 0.0814i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.628905 - 0.0256406i\)
\(L(\frac12)\) \(\approx\) \(0.628905 - 0.0256406i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.68 - 0.386i)T \)
good2 \( 1 + (-0.753 + 0.274i)T + (1.53 - 1.28i)T^{2} \)
5 \( 1 + (0.477 + 2.70i)T + (-4.69 + 1.71i)T^{2} \)
7 \( 1 + (-1.82 - 1.52i)T + (1.21 + 6.89i)T^{2} \)
11 \( 1 + (0.0434 - 0.246i)T + (-10.3 - 3.76i)T^{2} \)
13 \( 1 + (2.45 + 0.893i)T + (9.95 + 8.35i)T^{2} \)
17 \( 1 + (-0.146 - 0.254i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (-1.39 + 2.41i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (5.12 - 4.30i)T + (3.99 - 22.6i)T^{2} \)
29 \( 1 + (-0.333 + 0.121i)T + (22.2 - 18.6i)T^{2} \)
31 \( 1 + (-2.11 + 1.77i)T + (5.38 - 30.5i)T^{2} \)
37 \( 1 + (-3.49 - 6.05i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + (-9.13 - 3.32i)T + (31.4 + 26.3i)T^{2} \)
43 \( 1 + (-0.0452 + 0.256i)T + (-40.4 - 14.7i)T^{2} \)
47 \( 1 + (8.75 + 7.34i)T + (8.16 + 46.2i)T^{2} \)
53 \( 1 - 5.43T + 53T^{2} \)
59 \( 1 + (-1.03 - 5.88i)T + (-55.4 + 20.1i)T^{2} \)
61 \( 1 + (9.07 + 7.61i)T + (10.5 + 60.0i)T^{2} \)
67 \( 1 + (1.70 + 0.619i)T + (51.3 + 43.0i)T^{2} \)
71 \( 1 + (-0.185 - 0.320i)T + (-35.5 + 61.4i)T^{2} \)
73 \( 1 + (2.51 - 4.35i)T + (-36.5 - 63.2i)T^{2} \)
79 \( 1 + (0.754 - 0.274i)T + (60.5 - 50.7i)T^{2} \)
83 \( 1 + (-2.58 + 0.942i)T + (63.5 - 53.3i)T^{2} \)
89 \( 1 + (5.22 - 9.05i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (2.57 - 14.6i)T + (-91.1 - 33.1i)T^{2} \)
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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

−17.39310865614492276094368590419, −16.36609123493414288130969298140, −15.04056456573727062257644577498, −13.32255920859715428834748237753, −12.24561701546880513039357396736, −11.60070668613942952650833149183, −9.510351887852142116256011477018, −8.066773899046704640873529559702, −5.43053834861944240826228762655, −4.50233024352238829707502863827, 4.42756300253571929297504477448, 6.09892538076565959197579467777, 7.44067986238791737220535405692, 10.04609526259177094802274295503, 11.03374024552937995351347276148, 12.41929454777779246360061655693, 14.00428965540572138329800514180, 14.70523764281855525226493452263, 16.16732841791044658656689177043, 17.68927672098519023405308213415

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