Properties

Label 2-1840-460.459-c1-0-2
Degree $2$
Conductor $1840$
Sign $-0.995 - 0.0960i$
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  + 3-s + (1.22 + 1.87i)5-s − 2·9-s − 4.89·11-s − 4.58i·13-s + (1.22 + 1.87i)15-s − 2.44·17-s − 2.44·19-s + (−3 + 3.74i)23-s + (−2 + 4.58i)25-s − 5·27-s − 3·29-s + 4.58i·31-s − 4.89·33-s + 4.89·37-s + ⋯
L(s)  = 1  + 0.577·3-s + (0.547 + 0.836i)5-s − 0.666·9-s − 1.47·11-s − 1.27i·13-s + (0.316 + 0.483i)15-s − 0.594·17-s − 0.561·19-s + (−0.625 + 0.780i)23-s + (−0.400 + 0.916i)25-s − 0.962·27-s − 0.557·29-s + 0.823i·31-s − 0.852·33-s + 0.805·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.995 - 0.0960i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.995 - 0.0960i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $-0.995 - 0.0960i$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1840} (1839, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ -0.995 - 0.0960i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4042211149\)
\(L(\frac12)\) \(\approx\) \(0.4042211149\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.22 - 1.87i)T \)
23 \( 1 + (3 - 3.74i)T \)
good3 \( 1 - T + 3T^{2} \)
7 \( 1 - 7T^{2} \)
11 \( 1 + 4.89T + 11T^{2} \)
13 \( 1 + 4.58iT - 13T^{2} \)
17 \( 1 + 2.44T + 17T^{2} \)
19 \( 1 + 2.44T + 19T^{2} \)
29 \( 1 + 3T + 29T^{2} \)
31 \( 1 - 4.58iT - 31T^{2} \)
37 \( 1 - 4.89T + 37T^{2} \)
41 \( 1 + 3T + 41T^{2} \)
43 \( 1 - 11.2iT - 43T^{2} \)
47 \( 1 + 9T + 47T^{2} \)
53 \( 1 + 4.89T + 53T^{2} \)
59 \( 1 + 9.16iT - 59T^{2} \)
61 \( 1 - 11.2iT - 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 13.7iT - 71T^{2} \)
73 \( 1 + 4.58iT - 73T^{2} \)
79 \( 1 + 7.34T + 79T^{2} \)
83 \( 1 + 3.74iT - 83T^{2} \)
89 \( 1 + 3.74iT - 89T^{2} \)
97 \( 1 - 9.79T + 97T^{2} \)
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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

−9.710435337968110491174930506724, −8.789598801437329937897341846002, −7.920384720271692897419256775350, −7.57422900144387181536724320038, −6.32191362593348365794404325148, −5.71120169066776123779638387291, −4.87528081723599115190879580249, −3.38263240706867473309418610355, −2.85686275816703161421351086564, −2.00231717390234486346829632302, 0.11866920241489012450222362196, 2.02074777555634067416883342830, 2.50161683764124524329507681317, 3.92790280088325373947609346548, 4.75502408066513450002033873557, 5.61847347114298276627142261224, 6.36593492147629343623786684738, 7.46547264232925534822528320905, 8.369471043430888707803548604073, 8.715694221292644285687249893231

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