Properties

Label 2-2e7-128.3-c2-0-6
Degree $2$
Conductor $128$
Sign $-0.432 - 0.901i$
Analytic cond. $3.48774$
Root an. cond. $1.86755$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.39 + 1.43i)2-s + (0.447 − 0.367i)3-s + (−0.118 − 3.99i)4-s + (−2.47 − 0.750i)5-s + (−0.0964 + 1.15i)6-s + (0.987 + 4.96i)7-s + (5.90 + 5.39i)8-s + (−1.69 + 8.49i)9-s + (4.52 − 2.50i)10-s + (0.355 + 3.60i)11-s + (−1.52 − 1.74i)12-s + (6.50 + 21.4i)13-s + (−8.49 − 5.49i)14-s + (−1.38 + 0.572i)15-s + (−15.9 + 0.948i)16-s + (9.43 − 22.7i)17-s + ⋯
L(s)  = 1  + (−0.696 + 0.717i)2-s + (0.149 − 0.122i)3-s + (−0.0296 − 0.999i)4-s + (−0.494 − 0.150i)5-s + (−0.0160 + 0.192i)6-s + (0.141 + 0.708i)7-s + (0.737 + 0.674i)8-s + (−0.187 + 0.944i)9-s + (0.452 − 0.250i)10-s + (0.0323 + 0.328i)11-s + (−0.126 − 0.145i)12-s + (0.500 + 1.65i)13-s + (−0.606 − 0.392i)14-s + (−0.0922 + 0.0381i)15-s + (−0.998 + 0.0593i)16-s + (0.554 − 1.33i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.432 - 0.901i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.432 - 0.901i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $-0.432 - 0.901i$
Analytic conductor: \(3.48774\)
Root analytic conductor: \(1.86755\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{128} (3, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 128,\ (\ :1),\ -0.432 - 0.901i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.439716 + 0.698761i\)
\(L(\frac12)\) \(\approx\) \(0.439716 + 0.698761i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.39 - 1.43i)T \)
good3 \( 1 + (-0.447 + 0.367i)T + (1.75 - 8.82i)T^{2} \)
5 \( 1 + (2.47 + 0.750i)T + (20.7 + 13.8i)T^{2} \)
7 \( 1 + (-0.987 - 4.96i)T + (-45.2 + 18.7i)T^{2} \)
11 \( 1 + (-0.355 - 3.60i)T + (-118. + 23.6i)T^{2} \)
13 \( 1 + (-6.50 - 21.4i)T + (-140. + 93.8i)T^{2} \)
17 \( 1 + (-9.43 + 22.7i)T + (-204. - 204. i)T^{2} \)
19 \( 1 + (13.6 - 25.6i)T + (-200. - 300. i)T^{2} \)
23 \( 1 + (6.73 - 4.50i)T + (202. - 488. i)T^{2} \)
29 \( 1 + (-0.212 + 2.15i)T + (-824. - 164. i)T^{2} \)
31 \( 1 + (-36.6 - 36.6i)T + 961iT^{2} \)
37 \( 1 + (10.2 + 19.1i)T + (-760. + 1.13e3i)T^{2} \)
41 \( 1 + (-63.1 + 42.1i)T + (643. - 1.55e3i)T^{2} \)
43 \( 1 + (35.7 + 29.3i)T + (360. + 1.81e3i)T^{2} \)
47 \( 1 + (15.2 - 36.8i)T + (-1.56e3 - 1.56e3i)T^{2} \)
53 \( 1 + (-1.07 - 10.9i)T + (-2.75e3 + 548. i)T^{2} \)
59 \( 1 + (55.6 + 16.8i)T + (2.89e3 + 1.93e3i)T^{2} \)
61 \( 1 + (-12.5 + 10.3i)T + (725. - 3.64e3i)T^{2} \)
67 \( 1 + (-58.9 - 71.8i)T + (-875. + 4.40e3i)T^{2} \)
71 \( 1 + (-50.6 + 10.0i)T + (4.65e3 - 1.92e3i)T^{2} \)
73 \( 1 + (60.4 + 12.0i)T + (4.92e3 + 2.03e3i)T^{2} \)
79 \( 1 + (-6.16 - 14.8i)T + (-4.41e3 + 4.41e3i)T^{2} \)
83 \( 1 + (90.7 + 48.4i)T + (3.82e3 + 5.72e3i)T^{2} \)
89 \( 1 + (4.77 - 7.14i)T + (-3.03e3 - 7.31e3i)T^{2} \)
97 \( 1 + (-107. + 107. i)T - 9.40e3iT^{2} \)
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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

−13.97480998648137068962516094577, −12.20858899736098129286109600566, −11.34969690654108106291208710005, −10.09536668903650801829353994287, −8.957565273706434161179886845872, −8.147915055511004525589530551042, −7.12269179086342573175940557956, −5.80130697734093057172979608667, −4.50057352418870531654426145112, −1.97434408181173846794421123543, 0.72427202728610119290294221824, 3.10982378053286614760218589478, 4.11586404255317724949617096472, 6.29952887530135761312113342136, 7.80487414851477906888834113919, 8.460185941057147762488905024851, 9.805161633439550402358277771096, 10.70031778426211797143091198846, 11.50529082449105244684981867414, 12.68335118351656806111931364545

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