Properties

Label 2-20e2-1.1-c3-0-0
Degree $2$
Conductor $400$
Sign $1$
Analytic cond. $23.6007$
Root an. cond. $4.85806$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 6·3-s − 34·7-s + 9·9-s − 16·11-s − 58·13-s + 70·17-s − 4·19-s + 204·21-s − 134·23-s + 108·27-s − 242·29-s − 100·31-s + 96·33-s + 438·37-s + 348·39-s − 138·41-s + 178·43-s + 22·47-s + 813·49-s − 420·51-s − 162·53-s + 24·57-s + 268·59-s + 250·61-s − 306·63-s + 422·67-s + 804·69-s + ⋯
L(s)  = 1  − 1.15·3-s − 1.83·7-s + 1/3·9-s − 0.438·11-s − 1.23·13-s + 0.998·17-s − 0.0482·19-s + 2.11·21-s − 1.21·23-s + 0.769·27-s − 1.54·29-s − 0.579·31-s + 0.506·33-s + 1.94·37-s + 1.42·39-s − 0.525·41-s + 0.631·43-s + 0.0682·47-s + 2.37·49-s − 1.15·51-s − 0.419·53-s + 0.0557·57-s + 0.591·59-s + 0.524·61-s − 0.611·63-s + 0.769·67-s + 1.40·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(23.6007\)
Root analytic conductor: \(4.85806\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.3933823850\)
\(L(\frac12)\) \(\approx\) \(0.3933823850\)
\(L(\frac{5}{2})\) 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 \( 1 \)
good3 \( 1 + 2 p T + p^{3} T^{2} \)
7 \( 1 + 34 T + p^{3} T^{2} \)
11 \( 1 + 16 T + p^{3} T^{2} \)
13 \( 1 + 58 T + p^{3} T^{2} \)
17 \( 1 - 70 T + p^{3} T^{2} \)
19 \( 1 + 4 T + p^{3} T^{2} \)
23 \( 1 + 134 T + p^{3} T^{2} \)
29 \( 1 + 242 T + p^{3} T^{2} \)
31 \( 1 + 100 T + p^{3} T^{2} \)
37 \( 1 - 438 T + p^{3} T^{2} \)
41 \( 1 + 138 T + p^{3} T^{2} \)
43 \( 1 - 178 T + p^{3} T^{2} \)
47 \( 1 - 22 T + p^{3} T^{2} \)
53 \( 1 + 162 T + p^{3} T^{2} \)
59 \( 1 - 268 T + p^{3} T^{2} \)
61 \( 1 - 250 T + p^{3} T^{2} \)
67 \( 1 - 422 T + p^{3} T^{2} \)
71 \( 1 - 12 p T + p^{3} T^{2} \)
73 \( 1 + 306 T + p^{3} T^{2} \)
79 \( 1 - 456 T + p^{3} T^{2} \)
83 \( 1 - 434 T + p^{3} T^{2} \)
89 \( 1 + 726 T + p^{3} T^{2} \)
97 \( 1 + 1378 T + p^{3} T^{2} \)
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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

−10.82939552059422632795407284134, −9.867623382948616724992733998851, −9.507078783228354434750101709140, −7.85044201709106938469081573509, −6.88868559934368095999891779123, −5.97174529941373289555949390127, −5.34484324472804247302437794463, −3.86027614037913168085825351878, −2.60458355937733393832297664879, −0.40507833065472674382357085346, 0.40507833065472674382357085346, 2.60458355937733393832297664879, 3.86027614037913168085825351878, 5.34484324472804247302437794463, 5.97174529941373289555949390127, 6.88868559934368095999891779123, 7.85044201709106938469081573509, 9.507078783228354434750101709140, 9.867623382948616724992733998851, 10.82939552059422632795407284134

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