Properties

Label 2-20e2-1.1-c1-0-4
Degree $2$
Conductor $400$
Sign $1$
Analytic cond. $3.19401$
Root an. cond. $1.78718$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s − 2·7-s + 6·9-s − 11-s + 4·13-s + 5·17-s − 19-s − 6·21-s + 2·23-s + 9·27-s − 8·29-s − 10·31-s − 3·33-s − 6·37-s + 12·39-s − 3·41-s − 4·43-s − 4·47-s − 3·49-s + 15·51-s + 6·53-s − 3·57-s − 8·59-s + 10·61-s − 12·63-s + 67-s + 6·69-s + ⋯
L(s)  = 1  + 1.73·3-s − 0.755·7-s + 2·9-s − 0.301·11-s + 1.10·13-s + 1.21·17-s − 0.229·19-s − 1.30·21-s + 0.417·23-s + 1.73·27-s − 1.48·29-s − 1.79·31-s − 0.522·33-s − 0.986·37-s + 1.92·39-s − 0.468·41-s − 0.609·43-s − 0.583·47-s − 3/7·49-s + 2.10·51-s + 0.824·53-s − 0.397·57-s − 1.04·59-s + 1.28·61-s − 1.51·63-s + 0.122·67-s + 0.722·69-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(3.19401\)
Root analytic conductor: \(1.78718\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.262194877\)
\(L(\frac12)\) \(\approx\) \(2.262194877\)
\(L(\frac{3}{2})\) 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 \( 1 \)
good3 \( 1 - p T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
11 \( 1 + T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 - 5 T + p T^{2} \)
19 \( 1 + T + p T^{2} \)
23 \( 1 - 2 T + p T^{2} \)
29 \( 1 + 8 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 + 8 T + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 - T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 - 3 T + p T^{2} \)
79 \( 1 + 6 T + p T^{2} \)
83 \( 1 - 13 T + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 + 14 T + p T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−11.10895608751437250126066085179, −10.06074294395351231429620083849, −9.327488870433976181451354515274, −8.583830936329317080627601349982, −7.74030442137325160286374916308, −6.84498949692110381717428002076, −5.47172965557922596957151472916, −3.71917651349631531072059458503, −3.28752852063355895230765150692, −1.81754778427961011985492566714, 1.81754778427961011985492566714, 3.28752852063355895230765150692, 3.71917651349631531072059458503, 5.47172965557922596957151472916, 6.84498949692110381717428002076, 7.74030442137325160286374916308, 8.583830936329317080627601349982, 9.327488870433976181451354515274, 10.06074294395351231429620083849, 11.10895608751437250126066085179

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