Properties

Label 2-1840-92.91-c1-0-25
Degree $2$
Conductor $1840$
Sign $0.971 + 0.235i$
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  − 0.327i·3-s i·5-s + 2.33·7-s + 2.89·9-s + 3.77·11-s + 1.12·13-s − 0.327·15-s + 2.52i·17-s + 3.12·19-s − 0.765i·21-s + (−1.12 + 4.66i)23-s − 25-s − 1.92i·27-s − 4.41·29-s − 2.01i·31-s + ⋯
L(s)  = 1  − 0.188i·3-s − 0.447i·5-s + 0.884·7-s + 0.964·9-s + 1.13·11-s + 0.312·13-s − 0.0844·15-s + 0.612i·17-s + 0.716·19-s − 0.166i·21-s + (−0.235 + 0.971i)23-s − 0.200·25-s − 0.370i·27-s − 0.820·29-s − 0.361i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.971 + 0.235i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.971 + 0.235i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $0.971 + 0.235i$
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: \((2,\ 1840,\ (\ :1/2),\ 0.971 + 0.235i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.327306262\)
\(L(\frac12)\) \(\approx\) \(2.327306262\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.12 - 4.66i)T \)
good3 \( 1 + 0.327iT - 3T^{2} \)
7 \( 1 - 2.33T + 7T^{2} \)
11 \( 1 - 3.77T + 11T^{2} \)
13 \( 1 - 1.12T + 13T^{2} \)
17 \( 1 - 2.52iT - 17T^{2} \)
19 \( 1 - 3.12T + 19T^{2} \)
29 \( 1 + 4.41T + 29T^{2} \)
31 \( 1 + 2.01iT - 31T^{2} \)
37 \( 1 - 7.54iT - 37T^{2} \)
41 \( 1 + 4.88T + 41T^{2} \)
43 \( 1 - 6.20T + 43T^{2} \)
47 \( 1 - 7.22iT - 47T^{2} \)
53 \( 1 + 4.78iT - 53T^{2} \)
59 \( 1 + 9.02iT - 59T^{2} \)
61 \( 1 - 3.02iT - 61T^{2} \)
67 \( 1 - 8.58T + 67T^{2} \)
71 \( 1 + 9.56iT - 71T^{2} \)
73 \( 1 + 10.1T + 73T^{2} \)
79 \( 1 - 3.12T + 79T^{2} \)
83 \( 1 - 4.80T + 83T^{2} \)
89 \( 1 - 17.8iT - 89T^{2} \)
97 \( 1 + 8.55iT - 97T^{2} \)
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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

−9.339411540848028544844480309975, −8.310765308251130099140114675516, −7.75060793982071878721969630502, −6.89606196190133829230817942101, −6.04164390460124222571615343439, −5.08751118183545062775637050000, −4.25847802276020531215912618057, −3.51240832579943985136815715465, −1.79055291497773954120167581946, −1.23704051509131782844354866514, 1.13708736061798995791539727012, 2.18795775486908141635890826488, 3.55986055820453425261299709256, 4.26472752208974473948535434166, 5.13059627031148528373462203549, 6.13453606203313815892760513543, 7.06820398267337913480303957240, 7.51696543999673691220791733626, 8.603831972490699860706834542605, 9.265320378120619458619755806336

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