Properties

Label 2-1840-92.91-c1-0-19
Degree $2$
Conductor $1840$
Sign $0.791 - 0.611i$
Analytic cond. $14.6924$
Root an. cond. $3.83307$
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  + 1.21i·3-s i·5-s + 4.59·7-s + 1.53·9-s − 3.99·11-s − 0.942·13-s + 1.21·15-s + 4.91i·17-s + 8.05·19-s + 5.56i·21-s + (1.82 − 4.43i)23-s − 25-s + 5.48i·27-s − 8.30·29-s + 5.27i·31-s + ⋯
L(s)  = 1  + 0.698i·3-s − 0.447i·5-s + 1.73·7-s + 0.511·9-s − 1.20·11-s − 0.261·13-s + 0.312·15-s + 1.19i·17-s + 1.84·19-s + 1.21i·21-s + (0.379 − 0.925i)23-s − 0.200·25-s + 1.05i·27-s − 1.54·29-s + 0.947i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.791 - 0.611i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.791 - 0.611i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $0.791 - 0.611i$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (1471, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ 0.791 - 0.611i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.200204867\)
\(L(\frac12)\) \(\approx\) \(2.200204867\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + iT \)
23 \( 1 + (-1.82 + 4.43i)T \)
good3 \( 1 - 1.21iT - 3T^{2} \)
7 \( 1 - 4.59T + 7T^{2} \)
11 \( 1 + 3.99T + 11T^{2} \)
13 \( 1 + 0.942T + 13T^{2} \)
17 \( 1 - 4.91iT - 17T^{2} \)
19 \( 1 - 8.05T + 19T^{2} \)
29 \( 1 + 8.30T + 29T^{2} \)
31 \( 1 - 5.27iT - 31T^{2} \)
37 \( 1 + 3.06iT - 37T^{2} \)
41 \( 1 - 9.21T + 41T^{2} \)
43 \( 1 - 7.24T + 43T^{2} \)
47 \( 1 + 12.4iT - 47T^{2} \)
53 \( 1 - 3.64iT - 53T^{2} \)
59 \( 1 + 3.46iT - 59T^{2} \)
61 \( 1 - 11.9iT - 61T^{2} \)
67 \( 1 + 6.02T + 67T^{2} \)
71 \( 1 + 8.00iT - 71T^{2} \)
73 \( 1 + 4.90T + 73T^{2} \)
79 \( 1 + 1.22T + 79T^{2} \)
83 \( 1 - 7.10T + 83T^{2} \)
89 \( 1 - 4.19iT - 89T^{2} \)
97 \( 1 - 3.27iT - 97T^{2} \)
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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

−9.233834473268490071618853945243, −8.628702347367011895774220725093, −7.59978226590432646350176600050, −7.46143177286351127778188804546, −5.71674952543045735873479076176, −5.15018187579681944974916478193, −4.56079603764589034707941726520, −3.66820260227686889219112791259, −2.26338838358686710220897394966, −1.19803253808078539724524713519, 1.00939157423620863854624350243, 2.05517397778343680712637215599, 2.96982108910212289889530632582, 4.37711620695467741730742704184, 5.18415674415829578177572666582, 5.79824944836685533999418841146, 7.33107821098916724184006496721, 7.52931264282088521031421367546, 7.891792152543701764797607351628, 9.267357416403957812413522669317

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