Properties

Label 2-3840-40.29-c1-0-21
Degree $2$
Conductor $3840$
Sign $-0.948 - 0.316i$
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 + (1 + 2i)5-s + 2i·7-s + 9-s + 6i·11-s + 2·13-s + (−1 − 2i)15-s + 6i·17-s − 4i·19-s − 2i·21-s + 8i·23-s + (−3 + 4i)25-s − 27-s − 8·31-s − 6i·33-s + ⋯
L(s)  = 1  − 0.577·3-s + (0.447 + 0.894i)5-s + 0.755i·7-s + 0.333·9-s + 1.80i·11-s + 0.554·13-s + (−0.258 − 0.516i)15-s + 1.45i·17-s − 0.917i·19-s − 0.436i·21-s + 1.66i·23-s + (−0.600 + 0.800i)25-s − 0.192·27-s − 1.43·31-s − 1.04i·33-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(3840\)    =    \(2^{8} \cdot 3 \cdot 5\)
Sign: $-0.948 - 0.316i$
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: \((2,\ 3840,\ (\ :1/2),\ -0.948 - 0.316i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.437587836\)
\(L(\frac12)\) \(\approx\) \(1.437587836\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1 - 2i)T \)
good7 \( 1 - 2iT - 7T^{2} \)
11 \( 1 - 6iT - 11T^{2} \)
13 \( 1 - 2T + 13T^{2} \)
17 \( 1 - 6iT - 17T^{2} \)
19 \( 1 + 4iT - 19T^{2} \)
23 \( 1 - 8iT - 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 + 8T + 31T^{2} \)
37 \( 1 + 2T + 37T^{2} \)
41 \( 1 - 6T + 41T^{2} \)
43 \( 1 - 4T + 43T^{2} \)
47 \( 1 - 4iT - 47T^{2} \)
53 \( 1 - 6T + 53T^{2} \)
59 \( 1 + 6iT - 59T^{2} \)
61 \( 1 + 6iT - 61T^{2} \)
67 \( 1 + 67T^{2} \)
71 \( 1 - 4T + 71T^{2} \)
73 \( 1 + 12iT - 73T^{2} \)
79 \( 1 - 8T + 79T^{2} \)
83 \( 1 + 12T + 83T^{2} \)
89 \( 1 - 14T + 89T^{2} \)
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

−9.130684710735546472698892931101, −7.84953048880639867771713975615, −7.25606210715840810081145232024, −6.58617006404089407323509436272, −5.82704583619405326715213014084, −5.29548469957176748482197818513, −4.25198229439711488115949117055, −3.42067582328660837934116204154, −2.19837898300958541066231917449, −1.66019413597225531302210505812, 0.51242014267888937537038522792, 1.07825183516675888762605413422, 2.49536356185492925617822647012, 3.68435918566779454826221583486, 4.33099300777086362962418548851, 5.38086994955392843423990966407, 5.75500582590622337304831424919, 6.55957079198359568851764637453, 7.40102920453523433446155609914, 8.292700767851739626782211240593

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