Properties

Label 2-21e2-1.1-c7-0-24
Degree $2$
Conductor $441$
Sign $1$
Analytic cond. $137.761$
Root an. cond. $11.7371$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 128·4-s + 2.00e3·13-s + 1.63e4·16-s + 1.43e4·19-s − 7.81e4·25-s − 3.31e5·31-s + 3.35e5·37-s − 4.09e5·43-s − 2.57e5·52-s − 3.53e6·61-s − 2.09e6·64-s + 4.44e6·67-s + 1.23e6·73-s − 1.83e6·76-s − 4.51e6·79-s + 1.22e7·97-s + 1.00e7·100-s + 1.38e7·103-s − 9.92e6·109-s + ⋯
L(s)  = 1  − 4-s + 0.253·13-s + 16-s + 0.480·19-s − 25-s − 1.99·31-s + 1.08·37-s − 0.785·43-s − 0.253·52-s − 1.99·61-s − 64-s + 1.80·67-s + 0.372·73-s − 0.480·76-s − 1.03·79-s + 1.36·97-s + 100-s + 1.25·103-s − 0.733·109-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(137.761\)
Root analytic conductor: \(11.7371\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(1.250001701\)
\(L(\frac12)\) \(\approx\) \(1.250001701\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 \)
good2 \( 1 + p^{7} T^{2} \)
5 \( 1 + p^{7} T^{2} \)
11 \( 1 + p^{7} T^{2} \)
13 \( 1 - 2009 T + p^{7} T^{2} \)
17 \( 1 + p^{7} T^{2} \)
19 \( 1 - 14357 T + p^{7} T^{2} \)
23 \( 1 + p^{7} T^{2} \)
29 \( 1 + p^{7} T^{2} \)
31 \( 1 + 331387 T + p^{7} T^{2} \)
37 \( 1 - 335663 T + p^{7} T^{2} \)
41 \( 1 + p^{7} T^{2} \)
43 \( 1 + 409495 T + p^{7} T^{2} \)
47 \( 1 + p^{7} T^{2} \)
53 \( 1 + p^{7} T^{2} \)
59 \( 1 + p^{7} T^{2} \)
61 \( 1 + 3535546 T + p^{7} T^{2} \)
67 \( 1 - 4443527 T + p^{7} T^{2} \)
71 \( 1 + p^{7} T^{2} \)
73 \( 1 - 1236809 T + p^{7} T^{2} \)
79 \( 1 + 4517617 T + p^{7} T^{2} \)
83 \( 1 + p^{7} T^{2} \)
89 \( 1 + p^{7} T^{2} \)
97 \( 1 - 12245198 T + p^{7} T^{2} \)
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

−9.754284980886331210838754193574, −9.165557026401443550923665252862, −8.194452700787984120294584056456, −7.37836247198631311202964292552, −6.03670568172014111248576621128, −5.20503786379960517547541517472, −4.15588793263577434207893285071, −3.28241586064927471653752046612, −1.74762352012486803332080866415, −0.51438705047324064757682398576, 0.51438705047324064757682398576, 1.74762352012486803332080866415, 3.28241586064927471653752046612, 4.15588793263577434207893285071, 5.20503786379960517547541517472, 6.03670568172014111248576621128, 7.37836247198631311202964292552, 8.194452700787984120294584056456, 9.165557026401443550923665252862, 9.754284980886331210838754193574

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