Properties

Label 2-1408-88.43-c1-0-28
Degree $2$
Conductor $1408$
Sign $0.426 + 0.904i$
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  − 3-s − 2.64i·5-s + 3.74·7-s − 2·9-s + (3 − 1.41i)11-s + 3.74·13-s + 2.64i·15-s + 4.24i·17-s − 4.24i·19-s − 3.74·21-s − 2.64i·23-s − 2.00·25-s + 5·27-s + 7.93i·31-s + (−3 + 1.41i)33-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.18i·5-s + 1.41·7-s − 0.666·9-s + (0.904 − 0.426i)11-s + 1.03·13-s + 0.683i·15-s + 1.02i·17-s − 0.973i·19-s − 0.816·21-s − 0.551i·23-s − 0.400·25-s + 0.962·27-s + 1.42i·31-s + (−0.522 + 0.246i)33-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1408 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.426 + 0.904i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1408 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.426 + 0.904i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1408\)    =    \(2^{7} \cdot 11\)
Sign: $0.426 + 0.904i$
Analytic conductor: \(11.2429\)
Root analytic conductor: \(3.35304\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1408} (703, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1408,\ (\ :1/2),\ 0.426 + 0.904i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.651892707\)
\(L(\frac12)\) \(\approx\) \(1.651892707\)
\(L(\frac{3}{2})\) 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 \( 1 + (-3 + 1.41i)T \)
good3 \( 1 + T + 3T^{2} \)
5 \( 1 + 2.64iT - 5T^{2} \)
7 \( 1 - 3.74T + 7T^{2} \)
13 \( 1 - 3.74T + 13T^{2} \)
17 \( 1 - 4.24iT - 17T^{2} \)
19 \( 1 + 4.24iT - 19T^{2} \)
23 \( 1 + 2.64iT - 23T^{2} \)
29 \( 1 + 29T^{2} \)
31 \( 1 - 7.93iT - 31T^{2} \)
37 \( 1 - 7.93iT - 37T^{2} \)
41 \( 1 - 1.41iT - 41T^{2} \)
43 \( 1 + 8.48iT - 43T^{2} \)
47 \( 1 + 10.5iT - 47T^{2} \)
53 \( 1 + 5.29iT - 53T^{2} \)
59 \( 1 - 9T + 59T^{2} \)
61 \( 1 + 14.9T + 61T^{2} \)
67 \( 1 + 3T + 67T^{2} \)
71 \( 1 - 2.64iT - 71T^{2} \)
73 \( 1 + 12.7iT - 73T^{2} \)
79 \( 1 - 7.48T + 79T^{2} \)
83 \( 1 + 8.48iT - 83T^{2} \)
89 \( 1 - 3T + 89T^{2} \)
97 \( 1 + 3T + 97T^{2} \)
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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

−8.988599238358486871166327815728, −8.600174935920748775471805450519, −8.219859518354984783726772869660, −6.79992517665840473646782945259, −5.99470287866265457385855065188, −5.11235572518218366712228285518, −4.60821082215372322020211169163, −3.48303834320109886930984411656, −1.73842368189064668397107007969, −0.867011025221689155993559846267, 1.30017353600547342961493304216, 2.54269439678761374884913393986, 3.71463127766512015223141410463, 4.65955993797678368310193221436, 5.76397937741583149512733294224, 6.26422680904900706901010096774, 7.32574038093498328412800969429, 7.918954836831543063469435444583, 8.908854345853122272563027639301, 9.752874036901411707807448798148

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