Properties

Label 2-845-13.12-c1-0-20
Degree $2$
Conductor $845$
Sign $0.722 - 0.691i$
Analytic cond. $6.74735$
Root an. cond. $2.59756$
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  + 1.80i·2-s − 1.55·3-s − 1.24·4-s i·5-s − 2.80i·6-s − 1.55i·7-s + 1.35i·8-s − 0.582·9-s + 1.80·10-s + 0.356i·11-s + 1.93·12-s + 2.80·14-s + 1.55i·15-s − 4.93·16-s + 1.33·17-s − 1.04i·18-s + ⋯
L(s)  = 1  + 1.27i·2-s − 0.897·3-s − 0.623·4-s − 0.447i·5-s − 1.14i·6-s − 0.587i·7-s + 0.479i·8-s − 0.194·9-s + 0.569·10-s + 0.107i·11-s + 0.559·12-s + 0.748·14-s + 0.401i·15-s − 1.23·16-s + 0.323·17-s − 0.247i·18-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 845 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.722 - 0.691i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 845 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.722 - 0.691i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(845\)    =    \(5 \cdot 13^{2}\)
Sign: $0.722 - 0.691i$
Analytic conductor: \(6.74735\)
Root analytic conductor: \(2.59756\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{845} (506, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 845,\ (\ :1/2),\ 0.722 - 0.691i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.00010 + 0.401682i\)
\(L(\frac12)\) \(\approx\) \(1.00010 + 0.401682i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + iT \)
13 \( 1 \)
good2 \( 1 - 1.80iT - 2T^{2} \)
3 \( 1 + 1.55T + 3T^{2} \)
7 \( 1 + 1.55iT - 7T^{2} \)
11 \( 1 - 0.356iT - 11T^{2} \)
17 \( 1 - 1.33T + 17T^{2} \)
19 \( 1 + 8.65iT - 19T^{2} \)
23 \( 1 - 8.00T + 23T^{2} \)
29 \( 1 - 7.14T + 29T^{2} \)
31 \( 1 - 5.43iT - 31T^{2} \)
37 \( 1 - 4.60iT - 37T^{2} \)
41 \( 1 + 8.58iT - 41T^{2} \)
43 \( 1 - 9.24T + 43T^{2} \)
47 \( 1 + 3.41iT - 47T^{2} \)
53 \( 1 + 2.24T + 53T^{2} \)
59 \( 1 + 0.506iT - 59T^{2} \)
61 \( 1 + 7.24T + 61T^{2} \)
67 \( 1 - 4.48iT - 67T^{2} \)
71 \( 1 - 6.39iT - 71T^{2} \)
73 \( 1 + 15.5iT - 73T^{2} \)
79 \( 1 + 4.65T + 79T^{2} \)
83 \( 1 - 5.48iT - 83T^{2} \)
89 \( 1 + 16.5iT - 89T^{2} \)
97 \( 1 - 10.4iT - 97T^{2} \)
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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

−10.45456989858545129536794100557, −9.027817062076469532245178908395, −8.623511889079784605668986595525, −7.34027076087581707852706957321, −6.89739652309002254757911451859, −6.02595261152573331324152562156, −5.04216256239109933628497887838, −4.68022347047030210775763927277, −2.84568155050695396263667364659, −0.74619656443806649656025081230, 1.07493251879020677683581474790, 2.50426655578701489402711116836, 3.35890545463416287192350696956, 4.56448678163307908050769031652, 5.75379356447980563459431787497, 6.33937695944879680577117671629, 7.51733468177736425246789449016, 8.660439772635479706345937693383, 9.629445858522948538067208607225, 10.37890692193416875171004834014

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