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Properties

Label 2-21e2-7.2-c1-0-14
Degree $2$
Conductor $441$
Sign $-0.991 - 0.126i$
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  + (1.32 − 2.29i)2-s + (−2.5 − 4.33i)4-s − 7.93·8-s + (−2.64 − 4.58i)11-s + (−5.49 + 9.52i)16-s − 14·22-s + (2.64 − 4.58i)23-s + (2.5 + 4.33i)25-s + 10.5·29-s + (6.61 + 11.4i)32-s + (−3 + 5.19i)37-s + 12·43-s + (−13.2 + 22.9i)44-s + (−7 − 12.1i)46-s + 13.2·50-s + ⋯
L(s)  = 1  + (0.935 − 1.62i)2-s + (−1.25 − 2.16i)4-s − 2.80·8-s + (−0.797 − 1.38i)11-s + (−1.37 + 2.38i)16-s − 2.98·22-s + (0.551 − 0.955i)23-s + (0.5 + 0.866i)25-s + 1.96·29-s + (1.16 + 2.02i)32-s + (−0.493 + 0.854i)37-s + 1.82·43-s + (−1.99 + 3.45i)44-s + (−1.03 − 1.78i)46-s + 1.87·50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.991 - 0.126i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.991 - 0.126i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.991 - 0.126i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (226, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ -0.991 - 0.126i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.115775 + 1.82438i\)
\(L(\frac12)\) \(\approx\) \(0.115775 + 1.82438i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
7 \( 1 \)
good2 \( 1 + (-1.32 + 2.29i)T + (-1 - 1.73i)T^{2} \)
5 \( 1 + (-2.5 - 4.33i)T^{2} \)
11 \( 1 + (2.64 + 4.58i)T + (-5.5 + 9.52i)T^{2} \)
13 \( 1 + 13T^{2} \)
17 \( 1 + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-2.64 + 4.58i)T + (-11.5 - 19.9i)T^{2} \)
29 \( 1 - 10.5T + 29T^{2} \)
31 \( 1 + (-15.5 + 26.8i)T^{2} \)
37 \( 1 + (3 - 5.19i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 12T + 43T^{2} \)
47 \( 1 + (-23.5 - 40.7i)T^{2} \)
53 \( 1 + (5.29 + 9.16i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + (-29.5 + 51.0i)T^{2} \)
61 \( 1 + (-30.5 - 52.8i)T^{2} \)
67 \( 1 + (2 + 3.46i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 - 5.29T + 71T^{2} \)
73 \( 1 + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + (4 - 6.92i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + 97T^{2} \)
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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

−10.80636915855289836351930679901, −10.26633864051419539892894657054, −9.125962308020326087296529246421, −8.255994561345551601365887338859, −6.49738706073693180934442683909, −5.44292922413603749407026200958, −4.63089559534812741817019161324, −3.34638285657231304250068139640, −2.60792087845042405538000081433, −0.900627049416438146662480534076, 2.80373696425068003917133744313, 4.27677854760552821654329783543, 4.95051116933132258606418965211, 5.93893370170133916050379149532, 6.97721602225914234708857564190, 7.56938523000811734448321691772, 8.483123569785459371681618382767, 9.500792784477455581086768287218, 10.65132982982854575039121332587, 12.20822043061974288554212606168

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