Properties

Label 2-448-448.221-c1-0-16
Degree $2$
Conductor $448$
Sign $0.997 - 0.0658i$
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  + (−1.39 − 0.242i)2-s + (1.17 − 1.33i)3-s + (1.88 + 0.676i)4-s + (−2.65 − 0.174i)5-s + (−1.95 + 1.57i)6-s + (−0.123 + 2.64i)7-s + (−2.45 − 1.39i)8-s + (−0.0196 − 0.149i)9-s + (3.65 + 0.887i)10-s + (1.51 + 0.512i)11-s + (3.10 − 1.72i)12-s + (1.63 + 2.45i)13-s + (0.813 − 3.65i)14-s + (−3.34 + 3.34i)15-s + (3.08 + 2.54i)16-s + (6.79 − 1.81i)17-s + ⋯
L(s)  = 1  + (−0.985 − 0.171i)2-s + (0.675 − 0.770i)3-s + (0.941 + 0.338i)4-s + (−1.18 − 0.0778i)5-s + (−0.797 + 0.643i)6-s + (−0.0466 + 0.998i)7-s + (−0.869 − 0.494i)8-s + (−0.00654 − 0.0497i)9-s + (1.15 + 0.280i)10-s + (0.455 + 0.154i)11-s + (0.896 − 0.496i)12-s + (0.454 + 0.679i)13-s + (0.217 − 0.976i)14-s + (−0.862 + 0.862i)15-s + (0.771 + 0.636i)16-s + (1.64 − 0.441i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.997 - 0.0658i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.997 - 0.0658i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $0.997 - 0.0658i$
Analytic conductor: \(3.57729\)
Root analytic conductor: \(1.89137\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{448} (221, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :1/2),\ 0.997 - 0.0658i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.975896 + 0.0321468i\)
\(L(\frac12)\) \(\approx\) \(0.975896 + 0.0321468i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.39 + 0.242i)T \)
7 \( 1 + (0.123 - 2.64i)T \)
good3 \( 1 + (-1.17 + 1.33i)T + (-0.391 - 2.97i)T^{2} \)
5 \( 1 + (2.65 + 0.174i)T + (4.95 + 0.652i)T^{2} \)
11 \( 1 + (-1.51 - 0.512i)T + (8.72 + 6.69i)T^{2} \)
13 \( 1 + (-1.63 - 2.45i)T + (-4.97 + 12.0i)T^{2} \)
17 \( 1 + (-6.79 + 1.81i)T + (14.7 - 8.5i)T^{2} \)
19 \( 1 + (-4.66 - 2.30i)T + (11.5 + 15.0i)T^{2} \)
23 \( 1 + (1.52 - 0.200i)T + (22.2 - 5.95i)T^{2} \)
29 \( 1 + (-1.30 + 6.58i)T + (-26.7 - 11.0i)T^{2} \)
31 \( 1 + (5.28 + 3.05i)T + (15.5 + 26.8i)T^{2} \)
37 \( 1 + (0.0575 - 0.877i)T + (-36.6 - 4.82i)T^{2} \)
41 \( 1 + (4.82 - 11.6i)T + (-28.9 - 28.9i)T^{2} \)
43 \( 1 + (-3.59 + 0.716i)T + (39.7 - 16.4i)T^{2} \)
47 \( 1 + (-0.310 + 1.15i)T + (-40.7 - 23.5i)T^{2} \)
53 \( 1 + (-10.5 - 3.59i)T + (42.0 + 32.2i)T^{2} \)
59 \( 1 + (0.926 + 1.87i)T + (-35.9 + 46.8i)T^{2} \)
61 \( 1 + (-4.15 - 12.2i)T + (-48.3 + 37.1i)T^{2} \)
67 \( 1 + (-4.30 + 4.90i)T + (-8.74 - 66.4i)T^{2} \)
71 \( 1 + (1.19 - 0.494i)T + (50.2 - 50.2i)T^{2} \)
73 \( 1 + (2.08 - 1.60i)T + (18.8 - 70.5i)T^{2} \)
79 \( 1 + (-8.19 - 2.19i)T + (68.4 + 39.5i)T^{2} \)
83 \( 1 + (-3.27 + 2.18i)T + (31.7 - 76.6i)T^{2} \)
89 \( 1 + (9.75 - 12.7i)T + (-23.0 - 85.9i)T^{2} \)
97 \( 1 + 3.71iT - 97T^{2} \)
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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

−11.39155882233724641954172933869, −9.932614542094720168433390746334, −9.169509369836550969592703992670, −8.134771765622750553174263037319, −7.84514769125564619102156933751, −6.92820590296790761038744872619, −5.67714996807984978201912756854, −3.78971469958150412713306817426, −2.71769022653823744694466670298, −1.36613278138010790896250556928, 0.929370921990951116609417407240, 3.38044477834467952977168438239, 3.67892248963555582323182761578, 5.38692393929126466711343695251, 6.91164098907578818466444752125, 7.62897189079302400889141392042, 8.385159385015222792462760603176, 9.235755453079086235918343244703, 10.18950518913813694159168771687, 10.71935384399668690800044304362

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