Properties

Label 2-850-17.16-c1-0-16
Degree $2$
Conductor $850$
Sign $0.970 + 0.242i$
Analytic cond. $6.78728$
Root an. cond. $2.60524$
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  + 2-s i·3-s + 4-s i·6-s + 2i·7-s + 8-s + 2·9-s i·12-s − 13-s + 2i·14-s + 16-s + (4 + i)17-s + 2·18-s + 5·19-s + 2·21-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577i·3-s + 0.5·4-s − 0.408i·6-s + 0.755i·7-s + 0.353·8-s + 0.666·9-s − 0.288i·12-s − 0.277·13-s + 0.534i·14-s + 0.250·16-s + (0.970 + 0.242i)17-s + 0.471·18-s + 1.14·19-s + 0.436·21-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 850 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.970 + 0.242i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 850 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.970 + 0.242i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(850\)    =    \(2 \cdot 5^{2} \cdot 17\)
Sign: $0.970 + 0.242i$
Analytic conductor: \(6.78728\)
Root analytic conductor: \(2.60524\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{850} (101, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 850,\ (\ :1/2),\ 0.970 + 0.242i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.60261 - 0.320396i\)
\(L(\frac12)\) \(\approx\) \(2.60261 - 0.320396i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
5 \( 1 \)
17 \( 1 + (-4 - i)T \)
good3 \( 1 + iT - 3T^{2} \)
7 \( 1 - 2iT - 7T^{2} \)
11 \( 1 - 11T^{2} \)
13 \( 1 + T + 13T^{2} \)
19 \( 1 - 5T + 19T^{2} \)
23 \( 1 - 4iT - 23T^{2} \)
29 \( 1 + 9iT - 29T^{2} \)
31 \( 1 + 5iT - 31T^{2} \)
37 \( 1 - 2iT - 37T^{2} \)
41 \( 1 - 10iT - 41T^{2} \)
43 \( 1 + 6T + 43T^{2} \)
47 \( 1 + 7T + 47T^{2} \)
53 \( 1 + T + 53T^{2} \)
59 \( 1 - 5T + 59T^{2} \)
61 \( 1 + 5iT - 61T^{2} \)
67 \( 1 + 2T + 67T^{2} \)
71 \( 1 + 5iT - 71T^{2} \)
73 \( 1 + 11iT - 73T^{2} \)
79 \( 1 - 16iT - 79T^{2} \)
83 \( 1 + 6T + 83T^{2} \)
89 \( 1 + 5T + 89T^{2} \)
97 \( 1 - 7iT - 97T^{2} \)
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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

−9.948641595155622724906423668754, −9.606726377162232337801964473565, −8.077919306531121782607033610071, −7.62183018120710943924401387811, −6.56396981228741290021739999661, −5.77246566520874668643280087176, −4.90599867604073383561679441293, −3.72408490421509416741385823229, −2.60317165587054514107490114548, −1.40528697224639712957051368926, 1.34861656048393514611469361948, 3.08345380489578168800755838317, 3.86995478855093629380648526161, 4.85446659007902882617174538775, 5.50672909255093926138028563137, 6.99279709010121128125677233959, 7.26198900944624484318785370612, 8.536997834117582741422688249575, 9.660935386854988744546368961587, 10.30308022931034358302261466968

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