Properties

Label 2-930-31.18-c1-0-15
Degree $2$
Conductor $930$
Sign $-0.309 + 0.950i$
Analytic cond. $7.42608$
Root an. cond. $2.72508$
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  + (−0.809 + 0.587i)2-s + (0.913 − 0.406i)3-s + (0.309 − 0.951i)4-s + (0.5 + 0.866i)5-s + (−0.5 + 0.866i)6-s + (−1.16 − 1.29i)7-s + (0.309 + 0.951i)8-s + (0.669 − 0.743i)9-s + (−0.913 − 0.406i)10-s + (−4.27 + 0.909i)11-s + (−0.104 − 0.994i)12-s + (0.507 − 4.82i)13-s + (1.70 + 0.362i)14-s + (0.809 + 0.587i)15-s + (−0.809 − 0.587i)16-s + (−5.11 − 1.08i)17-s + ⋯
L(s)  = 1  + (−0.572 + 0.415i)2-s + (0.527 − 0.234i)3-s + (0.154 − 0.475i)4-s + (0.223 + 0.387i)5-s + (−0.204 + 0.353i)6-s + (−0.440 − 0.489i)7-s + (0.109 + 0.336i)8-s + (0.223 − 0.247i)9-s + (−0.288 − 0.128i)10-s + (−1.29 + 0.274i)11-s + (−0.0301 − 0.287i)12-s + (0.140 − 1.33i)13-s + (0.455 + 0.0967i)14-s + (0.208 + 0.151i)15-s + (−0.202 − 0.146i)16-s + (−1.24 − 0.263i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 930 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.309 + 0.950i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 930 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.309 + 0.950i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(930\)    =    \(2 \cdot 3 \cdot 5 \cdot 31\)
Sign: $-0.309 + 0.950i$
Analytic conductor: \(7.42608\)
Root analytic conductor: \(2.72508\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{930} (421, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 930,\ (\ :1/2),\ -0.309 + 0.950i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.419691 - 0.577829i\)
\(L(\frac12)\) \(\approx\) \(0.419691 - 0.577829i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.809 - 0.587i)T \)
3 \( 1 + (-0.913 + 0.406i)T \)
5 \( 1 + (-0.5 - 0.866i)T \)
31 \( 1 + (4.96 + 2.52i)T \)
good7 \( 1 + (1.16 + 1.29i)T + (-0.731 + 6.96i)T^{2} \)
11 \( 1 + (4.27 - 0.909i)T + (10.0 - 4.47i)T^{2} \)
13 \( 1 + (-0.507 + 4.82i)T + (-12.7 - 2.70i)T^{2} \)
17 \( 1 + (5.11 + 1.08i)T + (15.5 + 6.91i)T^{2} \)
19 \( 1 + (0.132 + 1.26i)T + (-18.5 + 3.95i)T^{2} \)
23 \( 1 + (0.898 + 2.76i)T + (-18.6 + 13.5i)T^{2} \)
29 \( 1 + (-1.88 + 1.37i)T + (8.96 - 27.5i)T^{2} \)
37 \( 1 + (-2.26 + 3.91i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (2.29 + 1.02i)T + (27.4 + 30.4i)T^{2} \)
43 \( 1 + (-0.805 - 7.66i)T + (-42.0 + 8.94i)T^{2} \)
47 \( 1 + (-5.28 - 3.84i)T + (14.5 + 44.6i)T^{2} \)
53 \( 1 + (-4.00 + 4.45i)T + (-5.54 - 52.7i)T^{2} \)
59 \( 1 + (11.8 - 5.29i)T + (39.4 - 43.8i)T^{2} \)
61 \( 1 + 5.21T + 61T^{2} \)
67 \( 1 + (5.26 + 9.12i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (-1.42 + 1.58i)T + (-7.42 - 70.6i)T^{2} \)
73 \( 1 + (-1.54 + 0.327i)T + (66.6 - 29.6i)T^{2} \)
79 \( 1 + (-1.48 - 0.314i)T + (72.1 + 32.1i)T^{2} \)
83 \( 1 + (-8.73 - 3.89i)T + (55.5 + 61.6i)T^{2} \)
89 \( 1 + (-0.697 + 2.14i)T + (-72.0 - 52.3i)T^{2} \)
97 \( 1 + (-5.20 + 16.0i)T + (-78.4 - 57.0i)T^{2} \)
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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

−9.767928658036384477324257407218, −8.951061593256094507269490420368, −7.970240575410501903425202268660, −7.47270006626973262318933221061, −6.58196469565083645520734316517, −5.69037025364922529197332709217, −4.53909287449211687262503361047, −3.09445709411464224768095226949, −2.23789801943229518223080977394, −0.35033497160388401345084697559, 1.81060648204519895512584246683, 2.69860869677908666676660045434, 3.87255925463926585358634375290, 4.92680463850808032734202905096, 6.07537688679645806147090979678, 7.10787660514741461163549080853, 8.080816983921197714683126546825, 8.955093394622256939681072180660, 9.219094758507777629912891896888, 10.28309132848284640090020363381

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