Properties

Label 2-3e3-9.5-c8-0-2
Degree $2$
Conductor $27$
Sign $0.0371 - 0.999i$
Analytic cond. $10.9992$
Root an. cond. $3.31650$
Motivic weight $8$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (12.1 − 7.01i)2-s + (−29.5 + 51.1i)4-s + (−676. − 390. i)5-s + (2.16e3 + 3.75e3i)7-s + 4.42e3i·8-s − 1.09e4·10-s + (−5.60e3 + 3.23e3i)11-s + (−8.49e3 + 1.47e4i)13-s + (5.27e4 + 3.04e4i)14-s + (2.34e4 + 4.06e4i)16-s + 2.98e4i·17-s − 9.17e4·19-s + (3.99e4 − 2.30e4i)20-s + (−4.54e4 + 7.86e4i)22-s + (1.06e5 + 6.14e4i)23-s + ⋯
L(s)  = 1  + (0.759 − 0.438i)2-s + (−0.115 + 0.199i)4-s + (−1.08 − 0.624i)5-s + (0.903 + 1.56i)7-s + 1.07i·8-s − 1.09·10-s + (−0.382 + 0.221i)11-s + (−0.297 + 0.515i)13-s + (1.37 + 0.792i)14-s + (0.358 + 0.620i)16-s + 0.357i·17-s − 0.704·19-s + (0.249 − 0.144i)20-s + (−0.193 + 0.335i)22-s + (0.380 + 0.219i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0371 - 0.999i)\, \overline{\Lambda}(9-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+4) \, L(s)\cr =\mathstrut & (0.0371 - 0.999i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $0.0371 - 0.999i$
Analytic conductor: \(10.9992\)
Root analytic conductor: \(3.31650\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (17, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :4),\ 0.0371 - 0.999i)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(1.13587 + 1.09445i\)
\(L(\frac12)\) \(\approx\) \(1.13587 + 1.09445i\)
\(L(5)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 + (-12.1 + 7.01i)T + (128 - 221. i)T^{2} \)
5 \( 1 + (676. + 390. i)T + (1.95e5 + 3.38e5i)T^{2} \)
7 \( 1 + (-2.16e3 - 3.75e3i)T + (-2.88e6 + 4.99e6i)T^{2} \)
11 \( 1 + (5.60e3 - 3.23e3i)T + (1.07e8 - 1.85e8i)T^{2} \)
13 \( 1 + (8.49e3 - 1.47e4i)T + (-4.07e8 - 7.06e8i)T^{2} \)
17 \( 1 - 2.98e4iT - 6.97e9T^{2} \)
19 \( 1 + 9.17e4T + 1.69e10T^{2} \)
23 \( 1 + (-1.06e5 - 6.14e4i)T + (3.91e10 + 6.78e10i)T^{2} \)
29 \( 1 + (4.34e5 - 2.50e5i)T + (2.50e11 - 4.33e11i)T^{2} \)
31 \( 1 + (-5.05e5 + 8.76e5i)T + (-4.26e11 - 7.38e11i)T^{2} \)
37 \( 1 - 1.90e5T + 3.51e12T^{2} \)
41 \( 1 + (-1.95e6 - 1.12e6i)T + (3.99e12 + 6.91e12i)T^{2} \)
43 \( 1 + (1.64e6 + 2.84e6i)T + (-5.84e12 + 1.01e13i)T^{2} \)
47 \( 1 + (-1.10e5 + 6.36e4i)T + (1.19e13 - 2.06e13i)T^{2} \)
53 \( 1 - 1.40e6iT - 6.22e13T^{2} \)
59 \( 1 + (-1.79e7 - 1.03e7i)T + (7.34e13 + 1.27e14i)T^{2} \)
61 \( 1 + (-9.62e6 - 1.66e7i)T + (-9.58e13 + 1.66e14i)T^{2} \)
67 \( 1 + (-1.17e7 + 2.02e7i)T + (-2.03e14 - 3.51e14i)T^{2} \)
71 \( 1 - 9.12e6iT - 6.45e14T^{2} \)
73 \( 1 - 1.43e7T + 8.06e14T^{2} \)
79 \( 1 + (-2.69e7 - 4.67e7i)T + (-7.58e14 + 1.31e15i)T^{2} \)
83 \( 1 + (2.66e7 - 1.53e7i)T + (1.12e15 - 1.95e15i)T^{2} \)
89 \( 1 + 2.32e7iT - 3.93e15T^{2} \)
97 \( 1 + (-2.46e7 - 4.27e7i)T + (-3.91e15 + 6.78e15i)T^{2} \)
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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

−15.46838162998895135834271599056, −14.64650295499443296874337166233, −12.93331505047194496263363453759, −12.04669221754078793273896968420, −11.35668395013062171048213647499, −8.839585741113729762324759236192, −7.979394298870688996405152686912, −5.33003983708554429985823374246, −4.21073194482466840688888147862, −2.29265897429407024200699305851, 0.57057402311931703886257206835, 3.70097276673482717403343432271, 4.85391055437550160796667292838, 6.89298930275634526097002644326, 7.906393648803181141193572388377, 10.29388938867806261918620500740, 11.25752320470857406962082728311, 13.01848376180325605862615418800, 14.20414824233821954435945159788, 14.94661037256003291573534696793

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