Properties

Label 2-448-448.221-c1-0-58
Degree $2$
Conductor $448$
Sign $0.0517 + 0.998i$
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  + (1.40 − 0.113i)2-s + (1.57 − 1.79i)3-s + (1.97 − 0.319i)4-s + (−4.01 − 0.263i)5-s + (2.01 − 2.71i)6-s + (0.0172 − 2.64i)7-s + (2.74 − 0.674i)8-s + (−0.354 − 2.68i)9-s + (−5.69 + 0.0844i)10-s + (1.76 + 0.599i)11-s + (2.53 − 4.05i)12-s + (0.0225 + 0.0338i)13-s + (−0.275 − 3.73i)14-s + (−6.80 + 6.80i)15-s + (3.79 − 1.26i)16-s + (−6.25 + 1.67i)17-s + ⋯
L(s)  = 1  + (0.996 − 0.0801i)2-s + (0.909 − 1.03i)3-s + (0.987 − 0.159i)4-s + (−1.79 − 0.117i)5-s + (0.823 − 1.10i)6-s + (0.00653 − 0.999i)7-s + (0.971 − 0.238i)8-s + (−0.118 − 0.896i)9-s + (−1.80 + 0.0267i)10-s + (0.532 + 0.180i)11-s + (0.732 − 1.16i)12-s + (0.00626 + 0.00937i)13-s + (−0.0736 − 0.997i)14-s + (−1.75 + 1.75i)15-s + (0.948 − 0.315i)16-s + (−1.51 + 0.406i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0517 + 0.998i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.0517 + 0.998i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $0.0517 + 0.998i$
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: \((2,\ 448,\ (\ :1/2),\ 0.0517 + 0.998i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.92256 - 1.82546i\)
\(L(\frac12)\) \(\approx\) \(1.92256 - 1.82546i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.40 + 0.113i)T \)
7 \( 1 + (-0.0172 + 2.64i)T \)
good3 \( 1 + (-1.57 + 1.79i)T + (-0.391 - 2.97i)T^{2} \)
5 \( 1 + (4.01 + 0.263i)T + (4.95 + 0.652i)T^{2} \)
11 \( 1 + (-1.76 - 0.599i)T + (8.72 + 6.69i)T^{2} \)
13 \( 1 + (-0.0225 - 0.0338i)T + (-4.97 + 12.0i)T^{2} \)
17 \( 1 + (6.25 - 1.67i)T + (14.7 - 8.5i)T^{2} \)
19 \( 1 + (-5.65 - 2.79i)T + (11.5 + 15.0i)T^{2} \)
23 \( 1 + (-2.19 + 0.288i)T + (22.2 - 5.95i)T^{2} \)
29 \( 1 + (-1.07 + 5.40i)T + (-26.7 - 11.0i)T^{2} \)
31 \( 1 + (-0.0165 - 0.00957i)T + (15.5 + 26.8i)T^{2} \)
37 \( 1 + (0.763 - 11.6i)T + (-36.6 - 4.82i)T^{2} \)
41 \( 1 + (0.510 - 1.23i)T + (-28.9 - 28.9i)T^{2} \)
43 \( 1 + (-0.363 + 0.0722i)T + (39.7 - 16.4i)T^{2} \)
47 \( 1 + (-0.928 + 3.46i)T + (-40.7 - 23.5i)T^{2} \)
53 \( 1 + (3.82 + 1.29i)T + (42.0 + 32.2i)T^{2} \)
59 \( 1 + (-0.486 - 0.986i)T + (-35.9 + 46.8i)T^{2} \)
61 \( 1 + (-3.71 - 10.9i)T + (-48.3 + 37.1i)T^{2} \)
67 \( 1 + (-5.42 + 6.18i)T + (-8.74 - 66.4i)T^{2} \)
71 \( 1 + (13.6 - 5.66i)T + (50.2 - 50.2i)T^{2} \)
73 \( 1 + (2.63 - 2.02i)T + (18.8 - 70.5i)T^{2} \)
79 \( 1 + (6.19 + 1.65i)T + (68.4 + 39.5i)T^{2} \)
83 \( 1 + (9.32 - 6.23i)T + (31.7 - 76.6i)T^{2} \)
89 \( 1 + (-7.34 + 9.57i)T + (-23.0 - 85.9i)T^{2} \)
97 \( 1 + 5.42iT - 97T^{2} \)
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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

−11.44039579543502436967106650670, −10.23282929761514879608348763716, −8.616789102188705631874012270835, −7.82643494175192136392755105579, −7.21803245040479606454318128603, −6.57905946621126881642095786129, −4.64580759271802580638624380770, −3.89561541624884892728642390159, −2.97687855816036278570409523270, −1.28675699951865152571333052531, 2.73204717490498757234948028796, 3.48064074542132672877598624816, 4.33793690793738427459510894692, 5.13743162788484240997990904681, 6.74385237542536587759940127249, 7.62329665508961077853561963886, 8.696416662862339867402932771050, 9.223773685428088449668281697214, 10.81641671549133877412187344818, 11.39412228112428399022742990868

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