Properties

Label 2-1536-1.1-c1-0-15
Degree $2$
Conductor $1536$
Sign $1$
Analytic cond. $12.2650$
Root an. cond. $3.50214$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 1.41·5-s + 4.24·7-s + 9-s + 6·11-s + 5.65·13-s − 1.41·15-s − 6·17-s + 4·19-s − 4.24·21-s − 2.82·23-s − 2.99·25-s − 27-s + 1.41·29-s + 1.41·31-s − 6·33-s + 6·35-s − 8.48·37-s − 5.65·39-s − 2·41-s + 1.41·45-s − 2.82·47-s + 10.9·49-s + 6·51-s − 9.89·53-s + 8.48·55-s − 4·57-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.632·5-s + 1.60·7-s + 0.333·9-s + 1.80·11-s + 1.56·13-s − 0.365·15-s − 1.45·17-s + 0.917·19-s − 0.925·21-s − 0.589·23-s − 0.599·25-s − 0.192·27-s + 0.262·29-s + 0.254·31-s − 1.04·33-s + 1.01·35-s − 1.39·37-s − 0.905·39-s − 0.312·41-s + 0.210·45-s − 0.412·47-s + 1.57·49-s + 0.840·51-s − 1.35·53-s + 1.14·55-s − 0.529·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1536 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1536 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1536\)    =    \(2^{9} \cdot 3\)
Sign: $1$
Analytic conductor: \(12.2650\)
Root analytic conductor: \(3.50214\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1536,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.218404552\)
\(L(\frac12)\) \(\approx\) \(2.218404552\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
good5 \( 1 - 1.41T + 5T^{2} \)
7 \( 1 - 4.24T + 7T^{2} \)
11 \( 1 - 6T + 11T^{2} \)
13 \( 1 - 5.65T + 13T^{2} \)
17 \( 1 + 6T + 17T^{2} \)
19 \( 1 - 4T + 19T^{2} \)
23 \( 1 + 2.82T + 23T^{2} \)
29 \( 1 - 1.41T + 29T^{2} \)
31 \( 1 - 1.41T + 31T^{2} \)
37 \( 1 + 8.48T + 37T^{2} \)
41 \( 1 + 2T + 41T^{2} \)
43 \( 1 + 43T^{2} \)
47 \( 1 + 2.82T + 47T^{2} \)
53 \( 1 + 9.89T + 53T^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 + 8.48T + 61T^{2} \)
67 \( 1 - 8T + 67T^{2} \)
71 \( 1 - 2.82T + 71T^{2} \)
73 \( 1 - 8T + 73T^{2} \)
79 \( 1 + 12.7T + 79T^{2} \)
83 \( 1 - 2T + 83T^{2} \)
89 \( 1 - 2T + 89T^{2} \)
97 \( 1 - 2T + 97T^{2} \)
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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

−9.329028849130003149968887434696, −8.729806734291771044247742700167, −7.969595087606173772397230191303, −6.76922470237093041071592885437, −6.25582842784896949155701324695, −5.36322584255679373857777577392, −4.45814122226574365449070356385, −3.70383039227769137582396865576, −1.84344958307031385167369536521, −1.30590714772851114620463181039, 1.30590714772851114620463181039, 1.84344958307031385167369536521, 3.70383039227769137582396865576, 4.45814122226574365449070356385, 5.36322584255679373857777577392, 6.25582842784896949155701324695, 6.76922470237093041071592885437, 7.969595087606173772397230191303, 8.729806734291771044247742700167, 9.329028849130003149968887434696

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