Properties

Label 2-21e2-441.25-c1-0-15
Degree $2$
Conductor $441$
Sign $-0.904 - 0.426i$
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  + (−0.395 + 1.73i)2-s + (1.72 + 0.196i)3-s + (−1.03 − 0.500i)4-s + (1.06 + 2.71i)5-s + (−1.02 + 2.90i)6-s + (−2.62 + 0.301i)7-s + (−0.937 + 1.17i)8-s + (2.92 + 0.677i)9-s + (−5.11 + 0.771i)10-s + (2.00 − 0.619i)11-s + (−1.68 − 1.06i)12-s + (−2.86 + 0.884i)13-s + (0.515 − 4.66i)14-s + (1.29 + 4.87i)15-s + (−3.10 − 3.89i)16-s + (0.544 − 7.27i)17-s + ⋯
L(s)  = 1  + (−0.279 + 1.22i)2-s + (0.993 + 0.113i)3-s + (−0.519 − 0.250i)4-s + (0.476 + 1.21i)5-s + (−0.416 + 1.18i)6-s + (−0.993 + 0.114i)7-s + (−0.331 + 0.415i)8-s + (0.974 + 0.225i)9-s + (−1.61 + 0.243i)10-s + (0.605 − 0.186i)11-s + (−0.487 − 0.307i)12-s + (−0.795 + 0.245i)13-s + (0.137 − 1.24i)14-s + (0.335 + 1.25i)15-s + (−0.775 − 0.972i)16-s + (0.132 − 1.76i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.904 - 0.426i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.904 - 0.426i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.904 - 0.426i$
Analytic conductor: \(3.52140\)
Root analytic conductor: \(1.87654\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{441} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 441,\ (\ :1/2),\ -0.904 - 0.426i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.364124 + 1.62533i\)
\(L(\frac12)\) \(\approx\) \(0.364124 + 1.62533i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.72 - 0.196i)T \)
7 \( 1 + (2.62 - 0.301i)T \)
good2 \( 1 + (0.395 - 1.73i)T + (-1.80 - 0.867i)T^{2} \)
5 \( 1 + (-1.06 - 2.71i)T + (-3.66 + 3.40i)T^{2} \)
11 \( 1 + (-2.00 + 0.619i)T + (9.08 - 6.19i)T^{2} \)
13 \( 1 + (2.86 - 0.884i)T + (10.7 - 7.32i)T^{2} \)
17 \( 1 + (-0.544 + 7.27i)T + (-16.8 - 2.53i)T^{2} \)
19 \( 1 + (-1.41 - 2.44i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (-2.87 + 1.96i)T + (8.40 - 21.4i)T^{2} \)
29 \( 1 + (0.501 - 6.69i)T + (-28.6 - 4.32i)T^{2} \)
31 \( 1 - 3.87T + 31T^{2} \)
37 \( 1 + (1.73 + 1.18i)T + (13.5 + 34.4i)T^{2} \)
41 \( 1 + (-2.66 - 0.401i)T + (39.1 + 12.0i)T^{2} \)
43 \( 1 + (4.80 - 0.723i)T + (41.0 - 12.6i)T^{2} \)
47 \( 1 + (2.41 - 10.5i)T + (-42.3 - 20.3i)T^{2} \)
53 \( 1 + (-11.3 + 7.70i)T + (19.3 - 49.3i)T^{2} \)
59 \( 1 + (8.56 + 10.7i)T + (-13.1 + 57.5i)T^{2} \)
61 \( 1 + (-1.85 + 0.895i)T + (38.0 - 47.6i)T^{2} \)
67 \( 1 + 3.75T + 67T^{2} \)
71 \( 1 + (-7.34 - 3.53i)T + (44.2 + 55.5i)T^{2} \)
73 \( 1 + (1.80 + 0.556i)T + (60.3 + 41.1i)T^{2} \)
79 \( 1 + 6.64T + 79T^{2} \)
83 \( 1 + (3.28 + 1.01i)T + (68.5 + 46.7i)T^{2} \)
89 \( 1 + (-0.866 + 0.804i)T + (6.65 - 88.7i)T^{2} \)
97 \( 1 + (1.86 - 3.23i)T + (-48.5 - 84.0i)T^{2} \)
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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

−11.42588875725035371487515580501, −10.12563210711056228797697471747, −9.502437281406893646950376470139, −8.817611318162085165700571224977, −7.52777301193717457922487399354, −6.95682641258405212214211358627, −6.38429363115959623408088141505, −5.02226135656800125134205670502, −3.24652641544518801859653784504, −2.58442845363304850503619662659, 1.10082668912209059042360841855, 2.25629484319207869197142689974, 3.43882535174317434086153159783, 4.40424984709966073971297854899, 6.01532618352159466120788571688, 7.15615762412864078471119086939, 8.536000054690797578472515440109, 9.128515053457526316330298281649, 9.859413152836693090235406501238, 10.34221792545185621558621572514

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