Properties

Label 2-42320-1.1-c1-0-17
Degree $2$
Conductor $42320$
Sign $1$
Analytic cond. $337.926$
Root an. cond. $18.3827$
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  + 2·3-s + 5-s + 2·7-s + 9-s + 2·13-s + 2·15-s + 6·17-s − 4·19-s + 4·21-s + 25-s − 4·27-s + 6·29-s + 4·31-s + 2·35-s − 2·37-s + 4·39-s + 6·41-s − 10·43-s + 45-s + 6·47-s − 3·49-s + 12·51-s + 6·53-s − 8·57-s − 12·59-s − 2·61-s + 2·63-s + ⋯
L(s)  = 1  + 1.15·3-s + 0.447·5-s + 0.755·7-s + 1/3·9-s + 0.554·13-s + 0.516·15-s + 1.45·17-s − 0.917·19-s + 0.872·21-s + 1/5·25-s − 0.769·27-s + 1.11·29-s + 0.718·31-s + 0.338·35-s − 0.328·37-s + 0.640·39-s + 0.937·41-s − 1.52·43-s + 0.149·45-s + 0.875·47-s − 3/7·49-s + 1.68·51-s + 0.824·53-s − 1.05·57-s − 1.56·59-s − 0.256·61-s + 0.251·63-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 42320 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 42320 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(42320\)    =    \(2^{4} \cdot 5 \cdot 23^{2}\)
Sign: $1$
Analytic conductor: \(337.926\)
Root analytic conductor: \(18.3827\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 42320,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(5.300306350\)
\(L(\frac12)\) \(\approx\) \(5.300306350\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
23 \( 1 \)
good3 \( 1 - 2 T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
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

−14.68459536671327, −14.05149416493187, −13.92761574295647, −13.38423399556561, −12.68621314814406, −12.21146219991038, −11.63370172622809, −11.00302171153881, −10.38359245420994, −10.02891934215358, −9.296279016423200, −8.866107623116260, −8.259714859714392, −7.991624636715484, −7.460995783368415, −6.542003389228346, −6.150139535767973, −5.352570289511434, −4.839782170755654, −4.074494119860930, −3.450071291649215, −2.870702782357958, −2.196455498942224, −1.572973340822006, −0.7986289438886266, 0.7986289438886266, 1.572973340822006, 2.196455498942224, 2.870702782357958, 3.450071291649215, 4.074494119860930, 4.839782170755654, 5.352570289511434, 6.150139535767973, 6.542003389228346, 7.460995783368415, 7.991624636715484, 8.259714859714392, 8.866107623116260, 9.296279016423200, 10.02891934215358, 10.38359245420994, 11.00302171153881, 11.63370172622809, 12.21146219991038, 12.68621314814406, 13.38423399556561, 13.92761574295647, 14.05149416493187, 14.68459536671327

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