Properties

Label 2-768-8.5-c5-0-24
Degree $2$
Conductor $768$
Sign $-0.707 - 0.707i$
Analytic cond. $123.174$
Root an. cond. $11.0984$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 9i·3-s − 6i·5-s + 40·7-s − 81·9-s + 564i·11-s + 638i·13-s + 54·15-s + 882·17-s − 556i·19-s + 360i·21-s + 840·23-s + 3.08e3·25-s − 729i·27-s + 4.63e3i·29-s + 4.40e3·31-s + ⋯
L(s)  = 1  + 0.577i·3-s − 0.107i·5-s + 0.308·7-s − 0.333·9-s + 1.40i·11-s + 1.04i·13-s + 0.0619·15-s + 0.740·17-s − 0.353i·19-s + 0.178i·21-s + 0.331·23-s + 0.988·25-s − 0.192i·27-s + 1.02i·29-s + 0.822·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 768 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.707 - 0.707i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 768 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.707 - 0.707i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(768\)    =    \(2^{8} \cdot 3\)
Sign: $-0.707 - 0.707i$
Analytic conductor: \(123.174\)
Root analytic conductor: \(11.0984\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{768} (385, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 768,\ (\ :5/2),\ -0.707 - 0.707i)\)

Particular Values

\(L(3)\) \(\approx\) \(2.004786228\)
\(L(\frac12)\) \(\approx\) \(2.004786228\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - 9iT \)
good5 \( 1 + 6iT - 3.12e3T^{2} \)
7 \( 1 - 40T + 1.68e4T^{2} \)
11 \( 1 - 564iT - 1.61e5T^{2} \)
13 \( 1 - 638iT - 3.71e5T^{2} \)
17 \( 1 - 882T + 1.41e6T^{2} \)
19 \( 1 + 556iT - 2.47e6T^{2} \)
23 \( 1 - 840T + 6.43e6T^{2} \)
29 \( 1 - 4.63e3iT - 2.05e7T^{2} \)
31 \( 1 - 4.40e3T + 2.86e7T^{2} \)
37 \( 1 - 2.41e3iT - 6.93e7T^{2} \)
41 \( 1 - 6.87e3T + 1.15e8T^{2} \)
43 \( 1 + 9.64e3iT - 1.47e8T^{2} \)
47 \( 1 + 1.86e4T + 2.29e8T^{2} \)
53 \( 1 + 3.37e4iT - 4.18e8T^{2} \)
59 \( 1 - 1.80e4iT - 7.14e8T^{2} \)
61 \( 1 - 3.97e4iT - 8.44e8T^{2} \)
67 \( 1 + 2.30e4iT - 1.35e9T^{2} \)
71 \( 1 - 4.24e3T + 1.80e9T^{2} \)
73 \( 1 - 4.11e4T + 2.07e9T^{2} \)
79 \( 1 - 2.19e4T + 3.07e9T^{2} \)
83 \( 1 - 8.24e4iT - 3.93e9T^{2} \)
89 \( 1 - 9.40e4T + 5.58e9T^{2} \)
97 \( 1 - 4.94e4T + 8.58e9T^{2} \)
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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

−9.823437654447782065812759152110, −9.173170386149063368987707856146, −8.291899371157556342161880658063, −7.22274966924642129250800959790, −6.51953014637753083208115118758, −5.08281673098641020054229883864, −4.67387041217479497818589474547, −3.56137268484040861721727571481, −2.32104286521982187810469123654, −1.20606588853701860050365350773, 0.45450408718379859424597250660, 1.24658046380586815782549472029, 2.72741667749147320916382124252, 3.44155989069065292956407713337, 4.89797196547844109026424372347, 5.84153358745822917922678003484, 6.48859941483514712258858333953, 7.84875513345970824594419891266, 8.077229655876704661869720726343, 9.130075978481447225822245940378

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