Properties

Label 2-448-448.171-c1-0-14
Degree $2$
Conductor $448$
Sign $0.172 - 0.985i$
Analytic cond. $3.57729$
Root an. cond. $1.89137$
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  + (−0.615 + 1.27i)2-s + (−0.519 − 0.176i)3-s + (−1.24 − 1.56i)4-s + (0.543 − 1.10i)5-s + (0.544 − 0.552i)6-s + (−2.35 + 1.20i)7-s + (2.76 − 0.614i)8-s + (−2.14 − 1.64i)9-s + (1.06 + 1.37i)10-s + (3.68 + 3.23i)11-s + (0.368 + 1.03i)12-s + (−1.84 + 2.76i)13-s + (−0.0838 − 3.74i)14-s + (−0.476 + 0.476i)15-s + (−0.917 + 3.89i)16-s + (5.32 − 1.42i)17-s + ⋯
L(s)  = 1  + (−0.435 + 0.900i)2-s + (−0.299 − 0.101i)3-s + (−0.620 − 0.784i)4-s + (0.243 − 0.493i)5-s + (0.222 − 0.225i)6-s + (−0.890 + 0.455i)7-s + (0.976 − 0.217i)8-s + (−0.713 − 0.547i)9-s + (0.338 + 0.433i)10-s + (1.11 + 0.974i)11-s + (0.106 + 0.298i)12-s + (−0.513 + 0.767i)13-s + (−0.0224 − 0.999i)14-s + (−0.123 + 0.123i)15-s + (−0.229 + 0.973i)16-s + (1.29 − 0.345i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.172 - 0.985i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.172 - 0.985i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $0.172 - 0.985i$
Analytic conductor: \(3.57729\)
Root analytic conductor: \(1.89137\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{448} (171, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :1/2),\ 0.172 - 0.985i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.679962 + 0.571431i\)
\(L(\frac12)\) \(\approx\) \(0.679962 + 0.571431i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.615 - 1.27i)T \)
7 \( 1 + (2.35 - 1.20i)T \)
good3 \( 1 + (0.519 + 0.176i)T + (2.38 + 1.82i)T^{2} \)
5 \( 1 + (-0.543 + 1.10i)T + (-3.04 - 3.96i)T^{2} \)
11 \( 1 + (-3.68 - 3.23i)T + (1.43 + 10.9i)T^{2} \)
13 \( 1 + (1.84 - 2.76i)T + (-4.97 - 12.0i)T^{2} \)
17 \( 1 + (-5.32 + 1.42i)T + (14.7 - 8.5i)T^{2} \)
19 \( 1 + (-5.39 - 0.353i)T + (18.8 + 2.47i)T^{2} \)
23 \( 1 + (-5.75 - 4.41i)T + (5.95 + 22.2i)T^{2} \)
29 \( 1 + (2.25 - 0.448i)T + (26.7 - 11.0i)T^{2} \)
31 \( 1 + (-1.12 - 0.646i)T + (15.5 + 26.8i)T^{2} \)
37 \( 1 + (-2.36 + 4.80i)T + (-22.5 - 29.3i)T^{2} \)
41 \( 1 + (10.7 - 4.46i)T + (28.9 - 28.9i)T^{2} \)
43 \( 1 + (1.05 + 0.208i)T + (39.7 + 16.4i)T^{2} \)
47 \( 1 + (-5.07 - 1.35i)T + (40.7 + 23.5i)T^{2} \)
53 \( 1 + (3.35 - 3.82i)T + (-6.91 - 52.5i)T^{2} \)
59 \( 1 + (0.898 + 13.7i)T + (-58.4 + 7.70i)T^{2} \)
61 \( 1 + (0.106 + 0.121i)T + (-7.96 + 60.4i)T^{2} \)
67 \( 1 + (2.31 - 6.82i)T + (-53.1 - 40.7i)T^{2} \)
71 \( 1 + (5.34 - 12.9i)T + (-50.2 - 50.2i)T^{2} \)
73 \( 1 + (-10.6 - 1.40i)T + (70.5 + 18.8i)T^{2} \)
79 \( 1 + (2.70 + 0.724i)T + (68.4 + 39.5i)T^{2} \)
83 \( 1 + (-1.14 + 1.71i)T + (-31.7 - 76.6i)T^{2} \)
89 \( 1 + (0.0938 + 0.712i)T + (-85.9 + 23.0i)T^{2} \)
97 \( 1 - 11.4T + 97T^{2} \)
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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

−11.44131519328117352081933014384, −9.737392787840531327858116192722, −9.505575868028098209244552193065, −8.826541073340273145350145902611, −7.35307625315570839369320602307, −6.76459892610168530244648189938, −5.70124090437350368219676120953, −5.00213050116409963356662186901, −3.42318064570415760504692879744, −1.26472368303630195600223866937, 0.816208967149812295638730068919, 2.89601468244070386895738653016, 3.45610940167272554638990222883, 5.05585975651502066650767889375, 6.19173961751314530748345457623, 7.32983128187679733233968732734, 8.377161372363088086308590016605, 9.319398324351472431914484657890, 10.25490113103931768235402384334, 10.69326321601279089288383468956

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