Properties

Label 2-3e3-9.7-c7-0-4
Degree $2$
Conductor $27$
Sign $-0.0254 + 0.999i$
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  + (3.09 − 5.35i)2-s + (44.8 + 77.6i)4-s + (−167. − 290. i)5-s + (442. − 765. i)7-s + 1.34e3·8-s − 2.07e3·10-s + (2.10e3 − 3.64e3i)11-s + (−6.25e3 − 1.08e4i)13-s + (−2.73e3 − 4.73e3i)14-s + (−1.57e3 + 2.72e3i)16-s + 742.·17-s + 9.11e3·19-s + (1.50e4 − 2.60e4i)20-s + (−1.30e4 − 2.25e4i)22-s + (2.26e4 + 3.92e4i)23-s + ⋯
L(s)  = 1  + (0.273 − 0.473i)2-s + (0.350 + 0.606i)4-s + (−0.600 − 1.04i)5-s + (0.487 − 0.843i)7-s + 0.930·8-s − 0.657·10-s + (0.477 − 0.826i)11-s + (−0.789 − 1.36i)13-s + (−0.266 − 0.461i)14-s + (−0.0959 + 0.166i)16-s + 0.0366·17-s + 0.304·19-s + (0.421 − 0.729i)20-s + (−0.261 − 0.452i)22-s + (0.388 + 0.672i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.0254 + 0.999i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.0254 + 0.999i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $-0.0254 + 0.999i$
Analytic conductor: \(8.43439\)
Root analytic conductor: \(2.90420\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{27} (19, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :7/2),\ -0.0254 + 0.999i)\)

Particular Values

\(L(4)\) \(\approx\) \(1.35746 - 1.39249i\)
\(L(\frac12)\) \(\approx\) \(1.35746 - 1.39249i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 + (-3.09 + 5.35i)T + (-64 - 110. i)T^{2} \)
5 \( 1 + (167. + 290. i)T + (-3.90e4 + 6.76e4i)T^{2} \)
7 \( 1 + (-442. + 765. i)T + (-4.11e5 - 7.13e5i)T^{2} \)
11 \( 1 + (-2.10e3 + 3.64e3i)T + (-9.74e6 - 1.68e7i)T^{2} \)
13 \( 1 + (6.25e3 + 1.08e4i)T + (-3.13e7 + 5.43e7i)T^{2} \)
17 \( 1 - 742.T + 4.10e8T^{2} \)
19 \( 1 - 9.11e3T + 8.93e8T^{2} \)
23 \( 1 + (-2.26e4 - 3.92e4i)T + (-1.70e9 + 2.94e9i)T^{2} \)
29 \( 1 + (1.72e4 - 2.99e4i)T + (-8.62e9 - 1.49e10i)T^{2} \)
31 \( 1 + (-1.38e5 - 2.40e5i)T + (-1.37e10 + 2.38e10i)T^{2} \)
37 \( 1 + 2.09e5T + 9.49e10T^{2} \)
41 \( 1 + (-5.34e4 - 9.26e4i)T + (-9.73e10 + 1.68e11i)T^{2} \)
43 \( 1 + (8.51e3 - 1.47e4i)T + (-1.35e11 - 2.35e11i)T^{2} \)
47 \( 1 + (-6.75e5 + 1.17e6i)T + (-2.53e11 - 4.38e11i)T^{2} \)
53 \( 1 + 1.83e6T + 1.17e12T^{2} \)
59 \( 1 + (-4.35e5 - 7.54e5i)T + (-1.24e12 + 2.15e12i)T^{2} \)
61 \( 1 + (4.87e5 - 8.44e5i)T + (-1.57e12 - 2.72e12i)T^{2} \)
67 \( 1 + (-1.43e5 - 2.48e5i)T + (-3.03e12 + 5.24e12i)T^{2} \)
71 \( 1 + 9.67e5T + 9.09e12T^{2} \)
73 \( 1 - 4.50e6T + 1.10e13T^{2} \)
79 \( 1 + (1.22e6 - 2.12e6i)T + (-9.60e12 - 1.66e13i)T^{2} \)
83 \( 1 + (-6.95e5 + 1.20e6i)T + (-1.35e13 - 2.35e13i)T^{2} \)
89 \( 1 - 7.88e6T + 4.42e13T^{2} \)
97 \( 1 + (-3.43e6 + 5.95e6i)T + (-4.03e13 - 6.99e13i)T^{2} \)
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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

−15.65064035198441768751150558655, −13.89607003301653411019984619518, −12.71665016087201505812700844739, −11.78223160942871805729763199024, −10.54623522694151407530356810996, −8.477300711322865576681896847936, −7.43052160023757267857233807536, −4.89262494199627318691227345441, −3.41820769535435579000164424120, −0.971517904559833672087795532531, 2.17344646477674092709092965650, 4.62304789085843018865209206816, 6.43232342209417304085745704183, 7.48636682524517636363520335638, 9.547370798646131913694693996477, 11.08978884996224484271255585690, 12.03127669033705223989134710335, 14.20289415358055502042031043059, 14.84161912489504879443661391184, 15.65822746078594989094095730745

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