Properties

Label 2-1380-1.1-c1-0-0
Degree $2$
Conductor $1380$
Sign $1$
Analytic cond. $11.0193$
Root an. cond. $3.31954$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 5-s − 5·7-s + 9-s + 4·13-s + 15-s − 3·17-s − 4·19-s + 5·21-s − 23-s + 25-s − 27-s + 29-s + 31-s + 5·35-s − 37-s − 4·39-s + 11·41-s + 4·43-s − 45-s + 6·47-s + 18·49-s + 3·51-s + 53-s + 4·57-s − 59-s + 6·61-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s − 1.88·7-s + 1/3·9-s + 1.10·13-s + 0.258·15-s − 0.727·17-s − 0.917·19-s + 1.09·21-s − 0.208·23-s + 1/5·25-s − 0.192·27-s + 0.185·29-s + 0.179·31-s + 0.845·35-s − 0.164·37-s − 0.640·39-s + 1.71·41-s + 0.609·43-s − 0.149·45-s + 0.875·47-s + 18/7·49-s + 0.420·51-s + 0.137·53-s + 0.529·57-s − 0.130·59-s + 0.768·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1380 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1380\)    =    \(2^{2} \cdot 3 \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(11.0193\)
Root analytic conductor: \(3.31954\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1380,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7833992457\)
\(L(\frac12)\) \(\approx\) \(0.7833992457\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
23 \( 1 + T \)
good7 \( 1 + 5 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + 3 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
29 \( 1 - T + p T^{2} \)
31 \( 1 - T + p T^{2} \)
37 \( 1 + T + p T^{2} \)
41 \( 1 - 11 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 - T + p T^{2} \)
59 \( 1 + T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 + 9 T + p T^{2} \)
71 \( 1 - 13 T + p T^{2} \)
73 \( 1 + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 - 9 T + p T^{2} \)
89 \( 1 - 8 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−9.490834483076530112950594729522, −8.972782544307586558194185458056, −7.939682391816145384225408893687, −6.82030863704119938120900900769, −6.38765866408695998791678634939, −5.66910598157464769461844955537, −4.26457759009902094548130755028, −3.65815898084270096861369071239, −2.50345116392380435330633055071, −0.63577611505595346610175523130, 0.63577611505595346610175523130, 2.50345116392380435330633055071, 3.65815898084270096861369071239, 4.26457759009902094548130755028, 5.66910598157464769461844955537, 6.38765866408695998791678634939, 6.82030863704119938120900900769, 7.939682391816145384225408893687, 8.972782544307586558194185458056, 9.490834483076530112950594729522

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