Properties

Label 2-1840-23.22-c2-0-28
Degree $2$
Conductor $1840$
Sign $0.963 - 0.266i$
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  − 4.76·3-s − 2.23i·5-s − 7.05i·7-s + 13.6·9-s − 10.4i·11-s + 19.0·13-s + 10.6i·15-s + 12.8i·17-s + 22.7i·19-s + 33.6i·21-s + (6.14 + 22.1i)23-s − 5.00·25-s − 22.3·27-s − 8.61·29-s − 22.2·31-s + ⋯
L(s)  = 1  − 1.58·3-s − 0.447i·5-s − 1.00i·7-s + 1.52·9-s − 0.950i·11-s + 1.46·13-s + 0.710i·15-s + 0.754i·17-s + 1.19i·19-s + 1.60i·21-s + (0.266 + 0.963i)23-s − 0.200·25-s − 0.827·27-s − 0.297·29-s − 0.716·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.963 - 0.266i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.963 - 0.266i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $0.963 - 0.266i$
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: \((2,\ 1840,\ (\ :1),\ 0.963 - 0.266i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.9657411032\)
\(L(\frac12)\) \(\approx\) \(0.9657411032\)
\(L(2)\) 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 \( 1 + (-6.14 - 22.1i)T \)
good3 \( 1 + 4.76T + 9T^{2} \)
7 \( 1 + 7.05iT - 49T^{2} \)
11 \( 1 + 10.4iT - 121T^{2} \)
13 \( 1 - 19.0T + 169T^{2} \)
17 \( 1 - 12.8iT - 289T^{2} \)
19 \( 1 - 22.7iT - 361T^{2} \)
29 \( 1 + 8.61T + 841T^{2} \)
31 \( 1 + 22.2T + 961T^{2} \)
37 \( 1 + 29.8iT - 1.36e3T^{2} \)
41 \( 1 + 18.7T + 1.68e3T^{2} \)
43 \( 1 + 10.0iT - 1.84e3T^{2} \)
47 \( 1 + 20.6T + 2.20e3T^{2} \)
53 \( 1 - 17.3iT - 2.80e3T^{2} \)
59 \( 1 - 103.T + 3.48e3T^{2} \)
61 \( 1 - 74.6iT - 3.72e3T^{2} \)
67 \( 1 - 101. iT - 4.48e3T^{2} \)
71 \( 1 - 69.4T + 5.04e3T^{2} \)
73 \( 1 + 122.T + 5.32e3T^{2} \)
79 \( 1 + 140. iT - 6.24e3T^{2} \)
83 \( 1 - 126. iT - 6.88e3T^{2} \)
89 \( 1 - 11.9iT - 7.92e3T^{2} \)
97 \( 1 - 57.0iT - 9.40e3T^{2} \)
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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

−9.092630839099466052441618035531, −8.274338931811164353363788950316, −7.39940315698499766226291277726, −6.48971795350341377641982517591, −5.77276190329332492412232868470, −5.38215518331232548614452106051, −4.01710919535969639142822494377, −3.69309520634639895651473076909, −1.46755162026363560439918106665, −0.823381990938221509340697357126, 0.45985987390455745902790483605, 1.83039672072311190754237782987, 3.02964790786379054162826837816, 4.37217737800119481286849499499, 5.12635264210614507738490135597, 5.79659043240278292207039959107, 6.65779022258009542234215205486, 6.99204955605657902471984243371, 8.292256227025200224632548263417, 9.133508460420484442936430655828

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