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Properties

Label 2-21e2-21.17-c3-0-39
Degree $2$
Conductor $441$
Sign $-0.995 - 0.0976i$
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

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Normalization:  

Dirichlet series

L(s)  = 1  + (4.66 − 2.69i)2-s + (10.4 − 18.1i)4-s + (−9.16 − 15.8i)5-s − 69.8i·8-s + (−85.4 − 49.3i)10-s + (20.5 + 11.8i)11-s − 11.7i·13-s + (−104. − 180. i)16-s + (−48.2 + 83.5i)17-s + (18.1 − 10.5i)19-s − 384.·20-s + 127.·22-s + (132. − 76.3i)23-s + (−105. + 182. i)25-s + (−31.7 − 54.9i)26-s + ⋯
L(s)  = 1  + (1.64 − 0.951i)2-s + (1.31 − 2.27i)4-s + (−0.819 − 1.41i)5-s − 3.08i·8-s + (−2.70 − 1.55i)10-s + (0.564 + 0.325i)11-s − 0.251i·13-s + (−1.62 − 2.81i)16-s + (−0.687 + 1.19i)17-s + (0.219 − 0.126i)19-s − 4.29·20-s + 1.23·22-s + (1.19 − 0.691i)23-s + (−0.843 + 1.46i)25-s + (−0.239 − 0.414i)26-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.995 - 0.0976i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.995 - 0.0976i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.995 - 0.0976i$
Analytic conductor: \(26.0198\)
Root analytic conductor: \(5.10096\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (80, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :3/2),\ -0.995 - 0.0976i)\)

Particular Values

\(L(2)\) \(\approx\) \(4.099570269\)
\(L(\frac12)\) \(\approx\) \(4.099570269\)
\(L(\frac{5}{2})\) 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 \( 1 + (-4.66 + 2.69i)T + (4 - 6.92i)T^{2} \)
5 \( 1 + (9.16 + 15.8i)T + (-62.5 + 108. i)T^{2} \)
11 \( 1 + (-20.5 - 11.8i)T + (665.5 + 1.15e3i)T^{2} \)
13 \( 1 + 11.7iT - 2.19e3T^{2} \)
17 \( 1 + (48.2 - 83.5i)T + (-2.45e3 - 4.25e3i)T^{2} \)
19 \( 1 + (-18.1 + 10.5i)T + (3.42e3 - 5.94e3i)T^{2} \)
23 \( 1 + (-132. + 76.3i)T + (6.08e3 - 1.05e4i)T^{2} \)
29 \( 1 - 77.5iT - 2.43e4T^{2} \)
31 \( 1 + (172. + 99.8i)T + (1.48e4 + 2.57e4i)T^{2} \)
37 \( 1 + (82.1 + 142. i)T + (-2.53e4 + 4.38e4i)T^{2} \)
41 \( 1 - 435.T + 6.89e4T^{2} \)
43 \( 1 + 106.T + 7.95e4T^{2} \)
47 \( 1 + (-5.52 - 9.56i)T + (-5.19e4 + 8.99e4i)T^{2} \)
53 \( 1 + (96.0 + 55.4i)T + (7.44e4 + 1.28e5i)T^{2} \)
59 \( 1 + (-414. + 717. i)T + (-1.02e5 - 1.77e5i)T^{2} \)
61 \( 1 + (-19.5 + 11.2i)T + (1.13e5 - 1.96e5i)T^{2} \)
67 \( 1 + (199. - 345. i)T + (-1.50e5 - 2.60e5i)T^{2} \)
71 \( 1 + 228. iT - 3.57e5T^{2} \)
73 \( 1 + (-231. - 133. i)T + (1.94e5 + 3.36e5i)T^{2} \)
79 \( 1 + (460. + 797. i)T + (-2.46e5 + 4.26e5i)T^{2} \)
83 \( 1 - 642.T + 5.71e5T^{2} \)
89 \( 1 + (-222. - 385. i)T + (-3.52e5 + 6.10e5i)T^{2} \)
97 \( 1 + 1.61e3iT - 9.12e5T^{2} \)
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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

−10.78462005587768326708579800305, −9.491964109495195380927277074648, −8.598722010311765431895014973817, −7.18335788356012873697288926656, −5.98762006849457253757390281164, −4.98189169253264499920766059346, −4.30937906050615147388900503263, −3.51301817848425030961578329746, −1.93108249047531570999826278197, −0.76237715150394779595868112022, 2.67630499667431461085045041855, 3.44570586475332367610871814403, 4.34010481272219715196219881041, 5.49380465434960295553104411109, 6.63693518714994085727930646960, 7.07693069201919078928395741950, 7.80988805787854979530268379331, 9.115364775266519123049236105061, 10.84820349753838530621228159805, 11.46718954255668460524816358693

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