Properties

Label 2-930-31.18-c1-0-5
Degree $2$
Conductor $930$
Sign $0.486 - 0.873i$
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 + (0.978 + 1.08i)7-s + (0.309 + 0.951i)8-s + (0.669 − 0.743i)9-s + (−0.913 − 0.406i)10-s + (1.01 − 0.215i)11-s + (−0.104 − 0.994i)12-s + (−0.241 + 2.30i)13-s + (−1.43 − 0.304i)14-s + (0.809 + 0.587i)15-s + (−0.809 − 0.587i)16-s + (1.15 + 0.244i)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 + (0.369 + 0.410i)7-s + (0.109 + 0.336i)8-s + (0.223 − 0.247i)9-s + (−0.288 − 0.128i)10-s + (0.305 − 0.0649i)11-s + (−0.0301 − 0.287i)12-s + (−0.0670 + 0.638i)13-s + (−0.382 − 0.0812i)14-s + (0.208 + 0.151i)15-s + (−0.202 − 0.146i)16-s + (0.279 + 0.0593i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 930 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.486 - 0.873i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 930 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.486 - 0.873i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(930\)    =    \(2 \cdot 3 \cdot 5 \cdot 31\)
Sign: $0.486 - 0.873i$
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: \((2,\ 930,\ (\ :1/2),\ 0.486 - 0.873i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.34269 + 0.789431i\)
\(L(\frac12)\) \(\approx\) \(1.34269 + 0.789431i\)
\(L(\frac{3}{2})\) 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 \( 1 + (-4.38 - 3.43i)T \)
good7 \( 1 + (-0.978 - 1.08i)T + (-0.731 + 6.96i)T^{2} \)
11 \( 1 + (-1.01 + 0.215i)T + (10.0 - 4.47i)T^{2} \)
13 \( 1 + (0.241 - 2.30i)T + (-12.7 - 2.70i)T^{2} \)
17 \( 1 + (-1.15 - 0.244i)T + (15.5 + 6.91i)T^{2} \)
19 \( 1 + (-0.720 - 6.85i)T + (-18.5 + 3.95i)T^{2} \)
23 \( 1 + (1.62 + 4.99i)T + (-18.6 + 13.5i)T^{2} \)
29 \( 1 + (-2.58 + 1.87i)T + (8.96 - 27.5i)T^{2} \)
37 \( 1 + (3.71 - 6.44i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (-3.43 - 1.52i)T + (27.4 + 30.4i)T^{2} \)
43 \( 1 + (0.199 + 1.89i)T + (-42.0 + 8.94i)T^{2} \)
47 \( 1 + (0.374 + 0.272i)T + (14.5 + 44.6i)T^{2} \)
53 \( 1 + (2.94 - 3.27i)T + (-5.54 - 52.7i)T^{2} \)
59 \( 1 + (6.65 - 2.96i)T + (39.4 - 43.8i)T^{2} \)
61 \( 1 - 7.09T + 61T^{2} \)
67 \( 1 + (-3.51 - 6.08i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (-10.8 + 12.0i)T + (-7.42 - 70.6i)T^{2} \)
73 \( 1 + (-10.0 + 2.13i)T + (66.6 - 29.6i)T^{2} \)
79 \( 1 + (-3.80 - 0.808i)T + (72.1 + 32.1i)T^{2} \)
83 \( 1 + (-5.72 - 2.54i)T + (55.5 + 61.6i)T^{2} \)
89 \( 1 + (2.27 - 6.99i)T + (-72.0 - 52.3i)T^{2} \)
97 \( 1 + (4.37 - 13.4i)T + (-78.4 - 57.0i)T^{2} \)
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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

−10.03505246293856446258828290614, −9.320056861029000663074882829456, −8.340579615836474039935547172834, −7.966052396350646008749456202468, −6.76196372618526902890124591003, −6.24247424486519919630570983054, −5.08958886749592497462868746087, −3.83834347890149270441873438763, −2.51993965705501633649458520122, −1.45381808967758181751740830936, 0.933556858038732504443952175782, 2.27991865555870511251429737008, 3.38888278446412877453336015601, 4.44947787910477034198276542765, 5.40966008181309050400062098983, 6.77019314278261362598721409648, 7.67372582784894571812937291716, 8.323966512449191898511996022317, 9.289553261325654124190319650334, 9.701289901059327708876661043486

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