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Properties

Label 2-21e2-63.58-c1-0-5
Degree $2$
Conductor $441$
Sign $0.533 - 0.845i$
Analytic cond. $3.52140$
Root an. cond. $1.87654$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.0683·2-s + (−0.539 − 1.64i)3-s − 1.99·4-s + (1.33 + 2.30i)5-s + (−0.0368 − 0.112i)6-s − 0.273·8-s + (−2.41 + 1.77i)9-s + (0.0910 + 0.157i)10-s + (0.799 − 1.38i)11-s + (1.07 + 3.28i)12-s + (−2.62 + 4.54i)13-s + (3.07 − 3.43i)15-s + 3.97·16-s + (3.27 + 5.67i)17-s + (−0.165 + 0.121i)18-s + (−0.950 + 1.64i)19-s + ⋯
L(s)  = 1  + 0.0483·2-s + (−0.311 − 0.950i)3-s − 0.997·4-s + (0.595 + 1.03i)5-s + (−0.0150 − 0.0459i)6-s − 0.0965·8-s + (−0.805 + 0.592i)9-s + (0.0287 + 0.0498i)10-s + (0.241 − 0.417i)11-s + (0.310 + 0.948i)12-s + (−0.728 + 1.26i)13-s + (0.794 − 0.887i)15-s + 0.992·16-s + (0.793 + 1.37i)17-s + (−0.0389 + 0.0286i)18-s + (−0.218 + 0.377i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.533 - 0.845i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.533 - 0.845i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $0.533 - 0.845i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (373, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ 0.533 - 0.845i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.805611 + 0.444023i\)
\(L(\frac12)\) \(\approx\) \(0.805611 + 0.444023i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (0.539 + 1.64i)T \)
7 \( 1 \)
good2 \( 1 - 0.0683T + 2T^{2} \)
5 \( 1 + (-1.33 - 2.30i)T + (-2.5 + 4.33i)T^{2} \)
11 \( 1 + (-0.799 + 1.38i)T + (-5.5 - 9.52i)T^{2} \)
13 \( 1 + (2.62 - 4.54i)T + (-6.5 - 11.2i)T^{2} \)
17 \( 1 + (-3.27 - 5.67i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (0.950 - 1.64i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-1.53 - 2.65i)T + (-11.5 + 19.9i)T^{2} \)
29 \( 1 + (3.19 + 5.53i)T + (-14.5 + 25.1i)T^{2} \)
31 \( 1 - 6.71T + 31T^{2} \)
37 \( 1 + (2.11 - 3.66i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (3.69 - 6.40i)T + (-20.5 - 35.5i)T^{2} \)
43 \( 1 + (-5.63 - 9.75i)T + (-21.5 + 37.2i)T^{2} \)
47 \( 1 - 3.79T + 47T^{2} \)
53 \( 1 + (4.44 + 7.70i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + 10.8T + 59T^{2} \)
61 \( 1 - 2.71T + 61T^{2} \)
67 \( 1 + 3.32T + 67T^{2} \)
71 \( 1 + 12.3T + 71T^{2} \)
73 \( 1 + (1.09 + 1.90i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 - 0.813T + 79T^{2} \)
83 \( 1 + (3.41 + 5.92i)T + (-41.5 + 71.8i)T^{2} \)
89 \( 1 + (0.235 - 0.407i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (-2.57 - 4.46i)T + (-48.5 + 84.0i)T^{2} \)
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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

−11.37356331510097691929170628857, −10.29665588981368186102840124577, −9.569562458315441369522186760993, −8.423562235239927939774819805710, −7.58158063112828346780940198102, −6.39254203154300839198978803635, −5.90974109215165717625268264998, −4.52051484424678774028110464524, −3.09991472158846961963283331705, −1.62646251060612844466334832767, 0.64256605923952240127117853126, 3.05358426302652539366719604375, 4.44552127577185007856518633336, 5.14912573714231146072031805163, 5.65212183534813691551426763076, 7.40775539113715336429282120735, 8.722668091555946463569117790161, 9.196803409292925822283372653271, 9.953630347855809537761529175037, 10.64557008054040942899039942331

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