Properties

Label 2-1840-23.22-c2-0-71
Degree $2$
Conductor $1840$
Sign $-0.701 + 0.712i$
Analytic cond. $50.1363$
Root an. cond. $7.08070$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3.41·3-s − 2.23i·5-s − 11.7i·7-s + 2.67·9-s − 1.72i·11-s + 16.3·13-s + 7.64i·15-s − 6.55i·17-s − 31.1i·19-s + 40.1i·21-s + (−16.3 − 16.1i)23-s − 5.00·25-s + 21.6·27-s + 53.4·29-s + 40.6·31-s + ⋯
L(s)  = 1  − 1.13·3-s − 0.447i·5-s − 1.67i·7-s + 0.297·9-s − 0.156i·11-s + 1.26·13-s + 0.509i·15-s − 0.385i·17-s − 1.63i·19-s + 1.91i·21-s + (−0.712 − 0.701i)23-s − 0.200·25-s + 0.800·27-s + 1.84·29-s + 1.31·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.701 + 0.712i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.701 + 0.712i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-0.701 + 0.712i$
Analytic conductor: \(50.1363\)
Root analytic conductor: \(7.08070\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (321, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1),\ -0.701 + 0.712i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.396434276\)
\(L(\frac12)\) \(\approx\) \(1.396434276\)
\(L(2)\) 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 \( 1 + 2.23iT \)
23 \( 1 + (16.3 + 16.1i)T \)
good3 \( 1 + 3.41T + 9T^{2} \)
7 \( 1 + 11.7iT - 49T^{2} \)
11 \( 1 + 1.72iT - 121T^{2} \)
13 \( 1 - 16.3T + 169T^{2} \)
17 \( 1 + 6.55iT - 289T^{2} \)
19 \( 1 + 31.1iT - 361T^{2} \)
29 \( 1 - 53.4T + 841T^{2} \)
31 \( 1 - 40.6T + 961T^{2} \)
37 \( 1 + 48.8iT - 1.36e3T^{2} \)
41 \( 1 - 71.5T + 1.68e3T^{2} \)
43 \( 1 - 13.4iT - 1.84e3T^{2} \)
47 \( 1 - 37.5T + 2.20e3T^{2} \)
53 \( 1 + 36.8iT - 2.80e3T^{2} \)
59 \( 1 + 16.3T + 3.48e3T^{2} \)
61 \( 1 - 76.3iT - 3.72e3T^{2} \)
67 \( 1 - 16.5iT - 4.48e3T^{2} \)
71 \( 1 - 76.3T + 5.04e3T^{2} \)
73 \( 1 - 77.4T + 5.32e3T^{2} \)
79 \( 1 - 139. iT - 6.24e3T^{2} \)
83 \( 1 + 71.7iT - 6.88e3T^{2} \)
89 \( 1 + 96.3iT - 7.92e3T^{2} \)
97 \( 1 - 111. iT - 9.40e3T^{2} \)
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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

−8.705903057448988512696766609584, −7.982543304703296475935077037800, −6.90954023216484484688953701398, −6.47246286280305799353447111723, −5.57155175459628109473912015691, −4.52791322902993180926334646550, −4.16457580771166114990872577338, −2.77157178874845020231295376918, −0.844388930552770690660950747015, −0.68882126030848559700868619098, 1.19075304443739906782436706505, 2.41753036755735229674108927446, 3.45874246459826624631937381118, 4.63967443044788975310161040008, 5.64043460702595299465737988734, 6.12241858345593397951694932322, 6.47349674380594227456513918586, 8.040477295272459903408677933691, 8.397044196724959146009441971696, 9.437993565916512162427199122807

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