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Properties

Label 2-1408-176.43-c1-0-40
Degree $2$
Conductor $1408$
Sign $-0.981 + 0.192i$
Analytic cond. $11.2429$
Root an. cond. $3.35304$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.15 − 1.15i)3-s + (2.51 + 2.51i)5-s − 4.37i·7-s − 0.313i·9-s + (−3.31 − 0.130i)11-s + (−2.19 − 2.19i)13-s − 5.82i·15-s + 0.470i·17-s + (−0.632 + 0.632i)19-s + (−5.07 + 5.07i)21-s − 6.62·23-s + 7.61i·25-s + (−3.84 + 3.84i)27-s + (−0.0549 − 0.0549i)29-s − 0.184i·31-s + ⋯
L(s)  = 1  + (−0.669 − 0.669i)3-s + (1.12 + 1.12i)5-s − 1.65i·7-s − 0.104i·9-s + (−0.999 − 0.0393i)11-s + (−0.609 − 0.609i)13-s − 1.50i·15-s + 0.114i·17-s + (−0.145 + 0.145i)19-s + (−1.10 + 1.10i)21-s − 1.38·23-s + 1.52i·25-s + (−0.739 + 0.739i)27-s + (−0.0102 − 0.0102i)29-s − 0.0331i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1408 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.981 + 0.192i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1408 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.981 + 0.192i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1408\)    =    \(2^{7} \cdot 11\)
Sign: $-0.981 + 0.192i$
Analytic conductor: \(11.2429\)
Root analytic conductor: \(3.35304\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1408} (1055, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1408,\ (\ :1/2),\ -0.981 + 0.192i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.6504377470\)
\(L(\frac12)\) \(\approx\) \(0.6504377470\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
11 \( 1 + (3.31 + 0.130i)T \)
good3 \( 1 + (1.15 + 1.15i)T + 3iT^{2} \)
5 \( 1 + (-2.51 - 2.51i)T + 5iT^{2} \)
7 \( 1 + 4.37iT - 7T^{2} \)
13 \( 1 + (2.19 + 2.19i)T + 13iT^{2} \)
17 \( 1 - 0.470iT - 17T^{2} \)
19 \( 1 + (0.632 - 0.632i)T - 19iT^{2} \)
23 \( 1 + 6.62T + 23T^{2} \)
29 \( 1 + (0.0549 + 0.0549i)T + 29iT^{2} \)
31 \( 1 + 0.184iT - 31T^{2} \)
37 \( 1 + (3.55 + 3.55i)T + 37iT^{2} \)
41 \( 1 - 3.77T + 41T^{2} \)
43 \( 1 + (-4.82 - 4.82i)T + 43iT^{2} \)
47 \( 1 - 0.258iT - 47T^{2} \)
53 \( 1 + (5.27 + 5.27i)T + 53iT^{2} \)
59 \( 1 + (-1.64 + 1.64i)T - 59iT^{2} \)
61 \( 1 + (9.05 + 9.05i)T + 61iT^{2} \)
67 \( 1 + (1.83 + 1.83i)T + 67iT^{2} \)
71 \( 1 - 13.1T + 71T^{2} \)
73 \( 1 + 10.7T + 73T^{2} \)
79 \( 1 - 1.80T + 79T^{2} \)
83 \( 1 + (8.61 - 8.61i)T - 83iT^{2} \)
89 \( 1 - 14.8iT - 89T^{2} \)
97 \( 1 + 9.13T + 97T^{2} \)
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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

−9.618792980739799168997875159664, −7.945506782845948305033440101852, −7.43105546533549836621949054346, −6.67642863378061894463314130257, −6.07242112049273884135203150490, −5.25021705846912243340867949209, −3.94114959236865649260506400877, −2.85130920901725258489155441373, −1.71108756537989230322167093228, −0.26168129366855675831137924855, 1.90163899193552335997898757252, 2.56959482512589604338719243421, 4.44354075863664054929190780305, 5.06919143258309035331213719388, 5.67496477715914504351444710782, 6.12858487244138033752132547040, 7.67325371245069764265661364294, 8.632368934720684850015941003524, 9.182379869321908811580539227701, 9.900156767130795178484296974233

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