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Properties

Label 2-3840-5.4-c1-0-67
Degree $2$
Conductor $3840$
Sign $0.832 - 0.554i$
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  + i·3-s + (1.23 + 1.86i)5-s + 0.746i·7-s − 9-s + 5.36·11-s − 2.92i·13-s + (−1.86 + 1.23i)15-s − 2.13i·17-s + 1.73·19-s − 0.746·21-s − 7.49i·23-s + (−1.92 + 4.61i)25-s − i·27-s + 6.74·29-s + 2.64·31-s + ⋯
L(s)  = 1  + 0.577i·3-s + (0.554 + 0.832i)5-s + 0.282i·7-s − 0.333·9-s + 1.61·11-s − 0.811i·13-s + (−0.480 + 0.320i)15-s − 0.517i·17-s + 0.397·19-s − 0.162·21-s − 1.56i·23-s + (−0.385 + 0.922i)25-s − 0.192i·27-s + 1.25·29-s + 0.475·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.832 - 0.554i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.832 - 0.554i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3840\)    =    \(2^{8} \cdot 3 \cdot 5\)
Sign: $0.832 - 0.554i$
Analytic conductor: \(30.6625\)
Root analytic conductor: \(5.53737\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{3840} (769, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 3840,\ (\ :1/2),\ 0.832 - 0.554i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.488111605\)
\(L(\frac12)\) \(\approx\) \(2.488111605\)
\(L(\frac{3}{2})\) 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 \( 1 - iT \)
5 \( 1 + (-1.23 - 1.86i)T \)
good7 \( 1 - 0.746iT - 7T^{2} \)
11 \( 1 - 5.36T + 11T^{2} \)
13 \( 1 + 2.92iT - 13T^{2} \)
17 \( 1 + 2.13iT - 17T^{2} \)
19 \( 1 - 1.73T + 19T^{2} \)
23 \( 1 + 7.49iT - 23T^{2} \)
29 \( 1 - 6.74T + 29T^{2} \)
31 \( 1 - 2.64T + 31T^{2} \)
37 \( 1 - 1.07iT - 37T^{2} \)
41 \( 1 - 11.2T + 41T^{2} \)
43 \( 1 + 7.44iT - 43T^{2} \)
47 \( 1 + 1.73iT - 47T^{2} \)
53 \( 1 + 7.72iT - 53T^{2} \)
59 \( 1 + 6.85T + 59T^{2} \)
61 \( 1 - 6.45T + 61T^{2} \)
67 \( 1 + 7.44iT - 67T^{2} \)
71 \( 1 + 13.2T + 71T^{2} \)
73 \( 1 - 0.690iT - 73T^{2} \)
79 \( 1 + 2.64T + 79T^{2} \)
83 \( 1 + 5.85iT - 83T^{2} \)
89 \( 1 - 7.59T + 89T^{2} \)
97 \( 1 - 14.1iT - 97T^{2} \)
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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

−8.798139286518196191577684419067, −7.84548462279187655617539544102, −6.87720262977852950691328039664, −6.36480835317956323401359666179, −5.66843987180372656224082116275, −4.74631279917202440166771054052, −3.90662967945078998839791423550, −3.02578269929365042236109192830, −2.32505348928801907646059480480, −0.898966212831908845903217499537, 1.13865178779676324125401420677, 1.49649088056203408669601335056, 2.75118273025787722798284045951, 4.00503308197837701978492469684, 4.47540544586978097669720319452, 5.64714553137173802090736115706, 6.18759999181291231590066094104, 6.89052236692058005756956189394, 7.66944225194706818705758283918, 8.480730205489501717789470569191

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