Properties

Label 2-320-320.229-c1-0-26
Degree $2$
Conductor $320$
Sign $0.341 + 0.939i$
Analytic cond. $2.55521$
Root an. cond. $1.59850$
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  + (−0.656 − 1.25i)2-s + (1.44 + 0.963i)3-s + (−1.13 + 1.64i)4-s + (1.41 − 1.73i)5-s + (0.259 − 2.43i)6-s + (−2.06 − 0.854i)7-s + (2.80 + 0.345i)8-s + (0.00250 + 0.00605i)9-s + (−3.09 − 0.629i)10-s + (4.25 − 2.84i)11-s + (−3.22 + 1.27i)12-s + (−2.24 + 0.445i)13-s + (0.284 + 3.14i)14-s + (3.70 − 1.13i)15-s + (−1.41 − 3.74i)16-s + (1.49 + 1.49i)17-s + ⋯
L(s)  = 1  + (−0.464 − 0.885i)2-s + (0.832 + 0.556i)3-s + (−0.568 + 0.822i)4-s + (0.631 − 0.775i)5-s + (0.106 − 0.995i)6-s + (−0.779 − 0.322i)7-s + (0.992 + 0.122i)8-s + (0.000835 + 0.00201i)9-s + (−0.979 − 0.199i)10-s + (1.28 − 0.857i)11-s + (−0.930 + 0.368i)12-s + (−0.621 + 0.123i)13-s + (0.0759 + 0.840i)14-s + (0.956 − 0.294i)15-s + (−0.352 − 0.935i)16-s + (0.361 + 0.361i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.341 + 0.939i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 320 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.341 + 0.939i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(320\)    =    \(2^{6} \cdot 5\)
Sign: $0.341 + 0.939i$
Analytic conductor: \(2.55521\)
Root analytic conductor: \(1.59850\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{320} (229, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 320,\ (\ :1/2),\ 0.341 + 0.939i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.12315 - 0.787099i\)
\(L(\frac12)\) \(\approx\) \(1.12315 - 0.787099i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.656 + 1.25i)T \)
5 \( 1 + (-1.41 + 1.73i)T \)
good3 \( 1 + (-1.44 - 0.963i)T + (1.14 + 2.77i)T^{2} \)
7 \( 1 + (2.06 + 0.854i)T + (4.94 + 4.94i)T^{2} \)
11 \( 1 + (-4.25 + 2.84i)T + (4.20 - 10.1i)T^{2} \)
13 \( 1 + (2.24 - 0.445i)T + (12.0 - 4.97i)T^{2} \)
17 \( 1 + (-1.49 - 1.49i)T + 17iT^{2} \)
19 \( 1 + (-6.78 + 1.34i)T + (17.5 - 7.27i)T^{2} \)
23 \( 1 + (-1.96 - 4.74i)T + (-16.2 + 16.2i)T^{2} \)
29 \( 1 + (1.63 + 1.09i)T + (11.0 + 26.7i)T^{2} \)
31 \( 1 - 4.02iT - 31T^{2} \)
37 \( 1 + (0.862 - 4.33i)T + (-34.1 - 14.1i)T^{2} \)
41 \( 1 + (8.18 - 3.39i)T + (28.9 - 28.9i)T^{2} \)
43 \( 1 + (3.13 - 2.09i)T + (16.4 - 39.7i)T^{2} \)
47 \( 1 + (4.72 + 4.72i)T + 47iT^{2} \)
53 \( 1 + (0.185 + 0.278i)T + (-20.2 + 48.9i)T^{2} \)
59 \( 1 + (0.0216 - 0.108i)T + (-54.5 - 22.5i)T^{2} \)
61 \( 1 + (4.85 - 7.26i)T + (-23.3 - 56.3i)T^{2} \)
67 \( 1 + (-4.28 - 2.86i)T + (25.6 + 61.8i)T^{2} \)
71 \( 1 + (0.720 - 1.73i)T + (-50.2 - 50.2i)T^{2} \)
73 \( 1 + (5.06 - 2.09i)T + (51.6 - 51.6i)T^{2} \)
79 \( 1 + (-10.3 - 10.3i)T + 79iT^{2} \)
83 \( 1 + (-2.15 - 10.8i)T + (-76.6 + 31.7i)T^{2} \)
89 \( 1 + (-14.6 - 6.06i)T + (62.9 + 62.9i)T^{2} \)
97 \( 1 + 2.02T + 97T^{2} \)
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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

−11.55868510833694940542131218880, −10.05865975406597529909974764988, −9.580286348927775679783303953726, −9.034569436086668076843619998656, −8.158800392541014861123618797563, −6.71678734367811907152893459462, −5.16464101156995495443087480945, −3.76435648135493061828671474958, −3.09264816064904812750422711053, −1.24857343525174588651616696202, 1.85545896589180617115617125093, 3.26634661286992641481750270699, 5.11738118280861583913292199508, 6.34464997274198512200644396445, 7.08192256187855536678722450622, 7.77168887799742658991010672405, 9.206660193996249610413309683502, 9.493494967065198206510426001277, 10.47658041870659084216053009194, 11.92647311073414077534588715166

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