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Properties

Label 2-380-76.27-c1-0-5
Degree $2$
Conductor $380$
Sign $-0.776 + 0.629i$
Analytic cond. $3.03431$
Root an. cond. $1.74192$
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  + (0.0669 + 1.41i)2-s + (−0.665 + 1.15i)3-s + (−1.99 + 0.189i)4-s + (−0.5 + 0.866i)5-s + (−1.67 − 0.862i)6-s + 4.68i·7-s + (−0.400 − 2.79i)8-s + (0.615 + 1.06i)9-s + (−1.25 − 0.648i)10-s − 4.21i·11-s + (1.10 − 2.41i)12-s + (−2.65 + 1.53i)13-s + (−6.62 + 0.313i)14-s + (−0.665 − 1.15i)15-s + (3.92 − 0.752i)16-s + (0.913 − 1.58i)17-s + ⋯
L(s)  = 1  + (0.0473 + 0.998i)2-s + (−0.384 + 0.665i)3-s + (−0.995 + 0.0945i)4-s + (−0.223 + 0.387i)5-s + (−0.682 − 0.352i)6-s + 1.77i·7-s + (−0.141 − 0.989i)8-s + (0.205 + 0.355i)9-s + (−0.397 − 0.205i)10-s − 1.27i·11-s + (0.319 − 0.698i)12-s + (−0.737 + 0.425i)13-s + (−1.77 + 0.0838i)14-s + (−0.171 − 0.297i)15-s + (0.982 − 0.188i)16-s + (0.221 − 0.383i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 380 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.776 + 0.629i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 380 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.776 + 0.629i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(380\)    =    \(2^{2} \cdot 5 \cdot 19\)
Sign: $-0.776 + 0.629i$
Analytic conductor: \(3.03431\)
Root analytic conductor: \(1.74192\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{380} (331, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 380,\ (\ :1/2),\ -0.776 + 0.629i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.262309 - 0.739837i\)
\(L(\frac12)\) \(\approx\) \(0.262309 - 0.739837i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.0669 - 1.41i)T \)
5 \( 1 + (0.5 - 0.866i)T \)
19 \( 1 + (-2.30 + 3.69i)T \)
good3 \( 1 + (0.665 - 1.15i)T + (-1.5 - 2.59i)T^{2} \)
7 \( 1 - 4.68iT - 7T^{2} \)
11 \( 1 + 4.21iT - 11T^{2} \)
13 \( 1 + (2.65 - 1.53i)T + (6.5 - 11.2i)T^{2} \)
17 \( 1 + (-0.913 + 1.58i)T + (-8.5 - 14.7i)T^{2} \)
23 \( 1 + (5.23 - 3.02i)T + (11.5 - 19.9i)T^{2} \)
29 \( 1 + (1.78 - 1.03i)T + (14.5 - 25.1i)T^{2} \)
31 \( 1 + 4.61T + 31T^{2} \)
37 \( 1 - 2.54iT - 37T^{2} \)
41 \( 1 + (-10.9 - 6.32i)T + (20.5 + 35.5i)T^{2} \)
43 \( 1 + (-7.19 - 4.15i)T + (21.5 + 37.2i)T^{2} \)
47 \( 1 + (-6.93 + 4.00i)T + (23.5 - 40.7i)T^{2} \)
53 \( 1 + (0.880 - 0.508i)T + (26.5 - 45.8i)T^{2} \)
59 \( 1 + (0.293 - 0.508i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (-4.20 - 7.28i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (1.92 + 3.33i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (0.658 - 1.14i)T + (-35.5 - 61.4i)T^{2} \)
73 \( 1 + (7.57 - 13.1i)T + (-36.5 - 63.2i)T^{2} \)
79 \( 1 + (7.62 - 13.2i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 - 1.76iT - 83T^{2} \)
89 \( 1 + (5.73 - 3.30i)T + (44.5 - 77.0i)T^{2} \)
97 \( 1 + (0.590 + 0.340i)T + (48.5 + 84.0i)T^{2} \)
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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

−11.79089264593863200772732670379, −11.10369161902910444052855015851, −9.725912340529727991414380874324, −9.181473348131196759590112588503, −8.181348996898425654563475826586, −7.20725285656335683826548287095, −5.80511015644376848160178205057, −5.49215707295782530397184123671, −4.26504941032878113883645450611, −2.80069098332678333370757891664, 0.55583313546375419381871464760, 1.83902049580878375275093915539, 3.81619668399651383674543122036, 4.41827370639328888072808701124, 5.83204230553564969253707247466, 7.42385888976156352919115153526, 7.63919318099692274215282848859, 9.325028272873224052099044346981, 10.12159375039766891710028956034, 10.71581414380509161980188735156

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