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Properties

Label 2-21e2-63.58-c1-0-1
Degree $2$
Conductor $441$
Sign $-0.944 - 0.327i$
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  − 2.71·2-s + (−1.16 + 1.27i)3-s + 5.37·4-s + (−0.793 − 1.37i)5-s + (3.17 − 3.46i)6-s − 9.15·8-s + (−0.264 − 2.98i)9-s + (2.15 + 3.73i)10-s + (0.674 − 1.16i)11-s + (−6.28 + 6.86i)12-s + (−1.58 + 2.75i)13-s + (2.68 + 0.593i)15-s + 14.1·16-s + (1.40 + 2.42i)17-s + (0.717 + 8.11i)18-s + (0.312 − 0.541i)19-s + ⋯
L(s)  = 1  − 1.91·2-s + (−0.675 + 0.737i)3-s + 2.68·4-s + (−0.354 − 0.614i)5-s + (1.29 − 1.41i)6-s − 3.23·8-s + (−0.0880 − 0.996i)9-s + (0.681 + 1.17i)10-s + (0.203 − 0.352i)11-s + (−1.81 + 1.98i)12-s + (−0.440 + 0.763i)13-s + (0.692 + 0.153i)15-s + 3.52·16-s + (0.339 + 0.588i)17-s + (0.169 + 1.91i)18-s + (0.0717 − 0.124i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.944 - 0.327i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 441 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.944 - 0.327i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(441\)    =    \(3^{2} \cdot 7^{2}\)
Sign: $-0.944 - 0.327i$
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: \((2,\ 441,\ (\ :1/2),\ -0.944 - 0.327i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0206598 + 0.122739i\)
\(L(\frac12)\) \(\approx\) \(0.0206598 + 0.122739i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (1.16 - 1.27i)T \)
7 \( 1 \)
good2 \( 1 + 2.71T + 2T^{2} \)
5 \( 1 + (0.793 + 1.37i)T + (-2.5 + 4.33i)T^{2} \)
11 \( 1 + (-0.674 + 1.16i)T + (-5.5 - 9.52i)T^{2} \)
13 \( 1 + (1.58 - 2.75i)T + (-6.5 - 11.2i)T^{2} \)
17 \( 1 + (-1.40 - 2.42i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (-0.312 + 0.541i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-0.142 - 0.246i)T + (-11.5 + 19.9i)T^{2} \)
29 \( 1 + (-2.27 - 3.93i)T + (-14.5 + 25.1i)T^{2} \)
31 \( 1 + 7.43T + 31T^{2} \)
37 \( 1 + (4.01 - 6.94i)T + (-18.5 - 32.0i)T^{2} \)
41 \( 1 + (5.01 - 8.68i)T + (-20.5 - 35.5i)T^{2} \)
43 \( 1 + (3.12 + 5.42i)T + (-21.5 + 37.2i)T^{2} \)
47 \( 1 + 11.1T + 47T^{2} \)
53 \( 1 + (1.39 + 2.41i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + 4.57T + 59T^{2} \)
61 \( 1 - 0.385T + 61T^{2} \)
67 \( 1 + 2.53T + 67T^{2} \)
71 \( 1 + 1.45T + 71T^{2} \)
73 \( 1 + (0.234 + 0.405i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + 15.7T + 79T^{2} \)
83 \( 1 + (-6.99 - 12.1i)T + (-41.5 + 71.8i)T^{2} \)
89 \( 1 + (1.29 - 2.24i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (7.22 + 12.5i)T + (-48.5 + 84.0i)T^{2} \)
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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

−11.31018017509795964472516880664, −10.37118736000755067139151583659, −9.733288851872664478742081206699, −8.861746629986732417420681961995, −8.299447030611707471315889221533, −7.03796627074153640747916038236, −6.25796755457878818196564039801, −4.94036915453299441992987875694, −3.35292805188748226509633989840, −1.43162869545379882977072271589, 0.16284889465615840253086987846, 1.75028749065787570011280460888, 3.03197426835612038589858940981, 5.43815568568833874331187228045, 6.56042036544171933119319256002, 7.34093886465864239640052753175, 7.75605673252296508388075475765, 8.867760415760188118386575030581, 9.936927129410327810169976795345, 10.61681274283055071188693325557

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