Properties

Label 2-2e7-4.3-c4-0-14
Degree $2$
Conductor $128$
Sign $-1$
Analytic cond. $13.2313$
Root an. cond. $3.63749$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 7.05i·3-s − 9.50·5-s − 6.49i·7-s + 31.2·9-s − 128. i·11-s − 220.·13-s + 67.0i·15-s − 382.·17-s − 77.3i·19-s − 45.8·21-s + 951. i·23-s − 534.·25-s − 791. i·27-s − 561.·29-s + 321. i·31-s + ⋯
L(s)  = 1  − 0.784i·3-s − 0.380·5-s − 0.132i·7-s + 0.385·9-s − 1.06i·11-s − 1.30·13-s + 0.298i·15-s − 1.32·17-s − 0.214i·19-s − 0.103·21-s + 1.79i·23-s − 0.855·25-s − 1.08i·27-s − 0.667·29-s + 0.334i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $-1$
Analytic conductor: \(13.2313\)
Root analytic conductor: \(3.63749\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{128} (127, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 128,\ (\ :2),\ -1)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(-0.624077i\)
\(L(\frac12)\) \(\approx\) \(-0.624077i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 7.05iT - 81T^{2} \)
5 \( 1 + 9.50T + 625T^{2} \)
7 \( 1 + 6.49iT - 2.40e3T^{2} \)
11 \( 1 + 128. iT - 1.46e4T^{2} \)
13 \( 1 + 220.T + 2.85e4T^{2} \)
17 \( 1 + 382.T + 8.35e4T^{2} \)
19 \( 1 + 77.3iT - 1.30e5T^{2} \)
23 \( 1 - 951. iT - 2.79e5T^{2} \)
29 \( 1 + 561.T + 7.07e5T^{2} \)
31 \( 1 - 321. iT - 9.23e5T^{2} \)
37 \( 1 + 1.09e3T + 1.87e6T^{2} \)
41 \( 1 + 437.T + 2.82e6T^{2} \)
43 \( 1 + 2.55e3iT - 3.41e6T^{2} \)
47 \( 1 + 3.83e3iT - 4.87e6T^{2} \)
53 \( 1 + 1.52e3T + 7.89e6T^{2} \)
59 \( 1 + 1.75e3iT - 1.21e7T^{2} \)
61 \( 1 - 4.76e3T + 1.38e7T^{2} \)
67 \( 1 - 6.91e3iT - 2.01e7T^{2} \)
71 \( 1 + 337. iT - 2.54e7T^{2} \)
73 \( 1 - 4.23e3T + 2.83e7T^{2} \)
79 \( 1 + 1.10e4iT - 3.89e7T^{2} \)
83 \( 1 - 3.97e3iT - 4.74e7T^{2} \)
89 \( 1 - 5.52e3T + 6.27e7T^{2} \)
97 \( 1 - 4.73e3T + 8.85e7T^{2} \)
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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

−12.09190908741345345807142163184, −11.34469973673742239339468872611, −10.04656128112015865894481667791, −8.801944318092928672874707938640, −7.57902741908471434987478853534, −6.86176991674984336803197470474, −5.37219671491835483622344158329, −3.78884031721314120859374095778, −2.02438160819656456912069754430, −0.24540354999262541751768330095, 2.28686998478896560241873101043, 4.17050158978599183144591757648, 4.86925375971031032269412550189, 6.68364385721652978637180688530, 7.75802791546166558179421590579, 9.200260818858760116281972244666, 9.978290757800185215172540884706, 10.94787277507185262192635983339, 12.19833689464187438270379921126, 12.92448552504918091839484033074

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