Properties

Label 2-3e3-3.2-c8-0-7
Degree $2$
Conductor $27$
Sign $1$
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  + 29.3i·2-s − 608·4-s − 823. i·5-s + 1.96e3·7-s − 1.03e4i·8-s + 2.41e4·10-s − 1.25e4i·11-s − 4.55e4·13-s + 5.78e4i·14-s + 1.48e5·16-s − 5.96e4i·17-s + 1.52e5·19-s + 5.00e5i·20-s + 3.69e5·22-s − 1.31e5i·23-s + ⋯
L(s)  = 1  + 1.83i·2-s − 2.37·4-s − 1.31i·5-s + 0.819·7-s − 2.52i·8-s + 2.41·10-s − 0.859i·11-s − 1.59·13-s + 1.50i·14-s + 2.26·16-s − 0.713i·17-s + 1.16·19-s + 3.12i·20-s + 1.57·22-s − 0.469i·23-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $1$
Analytic conductor: \(10.9992\)
Root analytic conductor: \(3.31650\)
Motivic weight: \(8\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (26, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :4),\ 1)\)

Particular Values

\(L(\frac{9}{2})\) \(\approx\) \(1.10612\)
\(L(\frac12)\) \(\approx\) \(1.10612\)
\(L(5)\) 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 \( 1 - 29.3iT - 256T^{2} \)
5 \( 1 + 823. iT - 3.90e5T^{2} \)
7 \( 1 - 1.96e3T + 5.76e6T^{2} \)
11 \( 1 + 1.25e4iT - 2.14e8T^{2} \)
13 \( 1 + 4.55e4T + 8.15e8T^{2} \)
17 \( 1 + 5.96e4iT - 6.97e9T^{2} \)
19 \( 1 - 1.52e5T + 1.69e10T^{2} \)
23 \( 1 + 1.31e5iT - 7.83e10T^{2} \)
29 \( 1 + 5.88e5iT - 5.00e11T^{2} \)
31 \( 1 + 1.64e5T + 8.52e11T^{2} \)
37 \( 1 + 6.63e5T + 3.51e12T^{2} \)
41 \( 1 + 9.38e5iT - 7.98e12T^{2} \)
43 \( 1 - 5.75e5T + 1.16e13T^{2} \)
47 \( 1 + 9.23e6iT - 2.38e13T^{2} \)
53 \( 1 - 1.03e7iT - 6.22e13T^{2} \)
59 \( 1 + 5.03e6iT - 1.46e14T^{2} \)
61 \( 1 + 1.92e7T + 1.91e14T^{2} \)
67 \( 1 + 5.98e5T + 4.06e14T^{2} \)
71 \( 1 - 2.92e7iT - 6.45e14T^{2} \)
73 \( 1 - 1.28e7T + 8.06e14T^{2} \)
79 \( 1 + 2.35e7T + 1.51e15T^{2} \)
83 \( 1 - 3.34e7iT - 2.25e15T^{2} \)
89 \( 1 + 2.82e7iT - 3.93e15T^{2} \)
97 \( 1 - 1.36e8T + 7.83e15T^{2} \)
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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

−15.71400430337188836957098893216, −14.44884294482851358939031487818, −13.52445252718662654061100376604, −12.06162512665889783105698828169, −9.496711958628782159689328433733, −8.424502580573556382771707379568, −7.38257311318120953641060315951, −5.46432275902876930682036652135, −4.68732513555273015926947567644, −0.52040295694008958693358612029, 1.80398497337955035900751147504, 3.08754576563721815408088786126, 4.80754363752921529066023694918, 7.52063485810322983908469228758, 9.560412922687546050177047019007, 10.51158709903341614490408552913, 11.52604338076039343415075765899, 12.54063389911506352363865170605, 14.14734310171420113978962528196, 14.85796048591503592714676740965

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