Properties

Label 2-3840-1.1-c1-0-52
Degree $2$
Conductor $3840$
Sign $-1$
Analytic cond. $30.6625$
Root an. cond. $5.53737$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s − 5-s − 2·7-s + 9-s + 4.82·11-s − 4.82·13-s − 15-s − 2.82·17-s − 2·21-s + 5.65·23-s + 25-s + 27-s − 7.65·29-s − 6.82·31-s + 4.82·33-s + 2·35-s + 10.4·37-s − 4.82·39-s + 7.65·41-s − 9.65·43-s − 45-s − 9.65·47-s − 3·49-s − 2.82·51-s − 0.343·53-s − 4.82·55-s − 0.828·59-s + ⋯
L(s)  = 1  + 0.577·3-s − 0.447·5-s − 0.755·7-s + 0.333·9-s + 1.45·11-s − 1.33·13-s − 0.258·15-s − 0.685·17-s − 0.436·21-s + 1.17·23-s + 0.200·25-s + 0.192·27-s − 1.42·29-s − 1.22·31-s + 0.840·33-s + 0.338·35-s + 1.72·37-s − 0.773·39-s + 1.19·41-s − 1.47·43-s − 0.149·45-s − 1.40·47-s − 0.428·49-s − 0.396·51-s − 0.0471·53-s − 0.651·55-s − 0.107·59-s + ⋯

Functional equation

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

Invariants

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

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
good7 \( 1 + 2T + 7T^{2} \)
11 \( 1 - 4.82T + 11T^{2} \)
13 \( 1 + 4.82T + 13T^{2} \)
17 \( 1 + 2.82T + 17T^{2} \)
19 \( 1 + 19T^{2} \)
23 \( 1 - 5.65T + 23T^{2} \)
29 \( 1 + 7.65T + 29T^{2} \)
31 \( 1 + 6.82T + 31T^{2} \)
37 \( 1 - 10.4T + 37T^{2} \)
41 \( 1 - 7.65T + 41T^{2} \)
43 \( 1 + 9.65T + 43T^{2} \)
47 \( 1 + 9.65T + 47T^{2} \)
53 \( 1 + 0.343T + 53T^{2} \)
59 \( 1 + 0.828T + 59T^{2} \)
61 \( 1 + 1.65T + 61T^{2} \)
67 \( 1 - 1.65T + 67T^{2} \)
71 \( 1 + 2.34T + 71T^{2} \)
73 \( 1 + 13.3T + 73T^{2} \)
79 \( 1 - 4.48T + 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 + 15.6T + 89T^{2} \)
97 \( 1 + 3.65T + 97T^{2} \)
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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

−8.105500556012422632035757697208, −7.26267370186674390213852162645, −6.87746432065015431590065997132, −6.04134107516515135099198813769, −4.92632358264519517447241518087, −4.16593155706803711257900199501, −3.43448622087503449119383155452, −2.62281502463820647787683475795, −1.50970162287548745186148872109, 0, 1.50970162287548745186148872109, 2.62281502463820647787683475795, 3.43448622087503449119383155452, 4.16593155706803711257900199501, 4.92632358264519517447241518087, 6.04134107516515135099198813769, 6.87746432065015431590065997132, 7.26267370186674390213852162645, 8.105500556012422632035757697208

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