Properties

Label 2-3840-40.29-c1-0-46
Degree $2$
Conductor $3840$
Sign $0.316 + 0.948i$
Analytic cond. $30.6625$
Root an. cond. $5.53737$
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 + (−2 − i)5-s + 9-s + 2i·11-s + 2·13-s + (2 + i)15-s − 2i·17-s − 4i·19-s + (3 + 4i)25-s − 27-s + 2i·29-s − 2·31-s − 2i·33-s − 6·37-s − 2·39-s + ⋯
L(s)  = 1  − 0.577·3-s + (−0.894 − 0.447i)5-s + 0.333·9-s + 0.603i·11-s + 0.554·13-s + (0.516 + 0.258i)15-s − 0.485i·17-s − 0.917i·19-s + (0.600 + 0.800i)25-s − 0.192·27-s + 0.371i·29-s − 0.359·31-s − 0.348i·33-s − 0.986·37-s − 0.320·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.316 + 0.948i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.316 + 0.948i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3840\)    =    \(2^{8} \cdot 3 \cdot 5\)
Sign: $0.316 + 0.948i$
Analytic conductor: \(30.6625\)
Root analytic conductor: \(5.53737\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{3840} (2689, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 3840,\ (\ :1/2),\ 0.316 + 0.948i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9597921210\)
\(L(\frac12)\) \(\approx\) \(0.9597921210\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + T \)
5 \( 1 + (2 + i)T \)
good7 \( 1 - 7T^{2} \)
11 \( 1 - 2iT - 11T^{2} \)
13 \( 1 - 2T + 13T^{2} \)
17 \( 1 + 2iT - 17T^{2} \)
19 \( 1 + 4iT - 19T^{2} \)
23 \( 1 - 23T^{2} \)
29 \( 1 - 2iT - 29T^{2} \)
31 \( 1 + 2T + 31T^{2} \)
37 \( 1 + 6T + 37T^{2} \)
41 \( 1 - 10T + 41T^{2} \)
43 \( 1 + 8T + 43T^{2} \)
47 \( 1 - 12iT - 47T^{2} \)
53 \( 1 + 8T + 53T^{2} \)
59 \( 1 - 10iT - 59T^{2} \)
61 \( 1 + 10iT - 61T^{2} \)
67 \( 1 - 8T + 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 + 4iT - 73T^{2} \)
79 \( 1 - 10T + 79T^{2} \)
83 \( 1 - 4T + 83T^{2} \)
89 \( 1 - 6T + 89T^{2} \)
97 \( 1 + 8iT - 97T^{2} \)
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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

−8.301135734302670680208046400355, −7.50572255743929007037414682692, −6.98386487209671710766031599212, −6.14197394679537131816096484584, −5.16347497495768132013163815834, −4.63976968736295292623419476655, −3.85558900432855960213260413017, −2.88809972389325135170118993022, −1.54366535092490887031127154544, −0.42541889975887720567774235352, 0.844106947681959417305958526247, 2.15262796400271033643395040294, 3.52316725664778170002318278956, 3.80100068349222264527178856770, 4.89450300098607313410359669191, 5.75473836946086729294325797202, 6.41081540659063437805373555171, 7.10790709231841967364674308538, 7.973577543265624712970010402681, 8.413844143971871309213186901728

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