Properties

Label 2-21e2-21.5-c3-0-0
Degree $2$
Conductor $441$
Sign $-0.932 - 0.360i$
Analytic cond. $26.0198$
Root an. cond. $5.10096$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + (1.44 + 0.832i)2-s + (−2.61 − 4.52i)4-s − 22.0i·8-s + (−25.4 + 14.6i)11-s + (−2.58 + 4.47i)16-s − 48.9·22-s + (−157. − 90.8i)23-s + (62.5 + 108. i)25-s + 304. i·29-s + (−160. + 92.3i)32-s + (5.29 − 9.16i)37-s − 534.·43-s + (133. + 76.7i)44-s + (−151. − 261. i)46-s + 208. i·50-s + ⋯
L(s)  = 1  + (0.509 + 0.294i)2-s + (−0.326 − 0.566i)4-s − 0.973i·8-s + (−0.697 + 0.402i)11-s + (−0.0403 + 0.0699i)16-s − 0.473·22-s + (−1.42 − 0.823i)23-s + (0.5 + 0.866i)25-s + 1.94i·29-s + (−0.884 + 0.510i)32-s + (0.0235 − 0.0407i)37-s − 1.89·43-s + (0.455 + 0.263i)44-s + (−0.484 − 0.839i)46-s + 0.588i·50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.932 - 0.360i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.932 - 0.360i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.932 - 0.360i$
Analytic conductor: \(26.0198\)
Root analytic conductor: \(5.10096\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (215, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :3/2),\ -0.932 - 0.360i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.2359043355\)
\(L(\frac12)\) \(\approx\) \(0.2359043355\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 \)
good2 \( 1 + (-1.44 - 0.832i)T + (4 + 6.92i)T^{2} \)
5 \( 1 + (-62.5 - 108. i)T^{2} \)
11 \( 1 + (25.4 - 14.6i)T + (665.5 - 1.15e3i)T^{2} \)
13 \( 1 - 2.19e3T^{2} \)
17 \( 1 + (-2.45e3 + 4.25e3i)T^{2} \)
19 \( 1 + (3.42e3 + 5.94e3i)T^{2} \)
23 \( 1 + (157. + 90.8i)T + (6.08e3 + 1.05e4i)T^{2} \)
29 \( 1 - 304. iT - 2.43e4T^{2} \)
31 \( 1 + (1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 + (-5.29 + 9.16i)T + (-2.53e4 - 4.38e4i)T^{2} \)
41 \( 1 + 6.89e4T^{2} \)
43 \( 1 + 534.T + 7.95e4T^{2} \)
47 \( 1 + (-5.19e4 - 8.99e4i)T^{2} \)
53 \( 1 + (665. - 384. i)T + (7.44e4 - 1.28e5i)T^{2} \)
59 \( 1 + (-1.02e5 + 1.77e5i)T^{2} \)
61 \( 1 + (1.13e5 + 1.96e5i)T^{2} \)
67 \( 1 + (370 + 640. i)T + (-1.50e5 + 2.60e5i)T^{2} \)
71 \( 1 - 1.17e3iT - 3.57e5T^{2} \)
73 \( 1 + (1.94e5 - 3.36e5i)T^{2} \)
79 \( 1 + (-692 + 1.19e3i)T + (-2.46e5 - 4.26e5i)T^{2} \)
83 \( 1 + 5.71e5T^{2} \)
89 \( 1 + (-3.52e5 - 6.10e5i)T^{2} \)
97 \( 1 - 9.12e5T^{2} \)
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

−10.91049296238306311799981128705, −10.24341312625436929152523588753, −9.384777037254632941616639439418, −8.374969621442176486037734477202, −7.22177286936302215410399084293, −6.31583837319218345178611587776, −5.28582279229079505295431326969, −4.55672414483622821714623369079, −3.27105642080885965585312187985, −1.61245338479461326529084267882, 0.06187976858386731759130845655, 2.17056808283481718442574377372, 3.30318803730018572194221817996, 4.31821222294357960359736849748, 5.32369735725816730750849000366, 6.38532243130747487671143289404, 7.88421954352548387295682239119, 8.209090591885607723526147407667, 9.470666359594375631651482239190, 10.37450918381794273722758359880

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