Properties

Label 2-5e2-25.21-c3-0-5
Degree $2$
Conductor $25$
Sign $-0.447 + 0.894i$
Analytic cond. $1.47504$
Root an. cond. $1.21451$
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  + (0.591 − 1.82i)2-s + (−7.58 − 5.51i)3-s + (3.50 + 2.54i)4-s + (−4.63 − 10.1i)5-s + (−14.5 + 10.5i)6-s + 14.5·7-s + (19.1 − 13.8i)8-s + (18.8 + 57.9i)9-s + (−21.2 + 2.42i)10-s + (7.88 − 24.2i)11-s + (−12.5 − 38.6i)12-s + (5.22 + 16.0i)13-s + (8.59 − 26.4i)14-s + (−20.8 + 102. i)15-s + (−3.24 − 9.99i)16-s + (−58.3 + 42.3i)17-s + ⋯
L(s)  = 1  + (0.209 − 0.643i)2-s + (−1.45 − 1.06i)3-s + (0.438 + 0.318i)4-s + (−0.414 − 0.909i)5-s + (−0.987 + 0.717i)6-s + 0.784·7-s + (0.844 − 0.613i)8-s + (0.697 + 2.14i)9-s + (−0.672 + 0.0766i)10-s + (0.216 − 0.664i)11-s + (−0.302 − 0.930i)12-s + (0.111 + 0.342i)13-s + (0.164 − 0.505i)14-s + (−0.359 + 1.76i)15-s + (−0.0507 − 0.156i)16-s + (−0.832 + 0.604i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 25 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(25\)    =    \(5^{2}\)
Sign: $-0.447 + 0.894i$
Analytic conductor: \(1.47504\)
Root analytic conductor: \(1.21451\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{25} (21, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 25,\ (\ :3/2),\ -0.447 + 0.894i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.503701 - 0.815421i\)
\(L(\frac12)\) \(\approx\) \(0.503701 - 0.815421i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + (4.63 + 10.1i)T \)
good2 \( 1 + (-0.591 + 1.82i)T + (-6.47 - 4.70i)T^{2} \)
3 \( 1 + (7.58 + 5.51i)T + (8.34 + 25.6i)T^{2} \)
7 \( 1 - 14.5T + 343T^{2} \)
11 \( 1 + (-7.88 + 24.2i)T + (-1.07e3 - 782. i)T^{2} \)
13 \( 1 + (-5.22 - 16.0i)T + (-1.77e3 + 1.29e3i)T^{2} \)
17 \( 1 + (58.3 - 42.3i)T + (1.51e3 - 4.67e3i)T^{2} \)
19 \( 1 + (-62.4 + 45.3i)T + (2.11e3 - 6.52e3i)T^{2} \)
23 \( 1 + (-16.3 + 50.3i)T + (-9.84e3 - 7.15e3i)T^{2} \)
29 \( 1 + (-173. - 125. i)T + (7.53e3 + 2.31e4i)T^{2} \)
31 \( 1 + (56.0 - 40.6i)T + (9.20e3 - 2.83e4i)T^{2} \)
37 \( 1 + (-93.5 - 287. i)T + (-4.09e4 + 2.97e4i)T^{2} \)
41 \( 1 + (-0.229 - 0.707i)T + (-5.57e4 + 4.05e4i)T^{2} \)
43 \( 1 + 93.9T + 7.95e4T^{2} \)
47 \( 1 + (-86.0 - 62.5i)T + (3.20e4 + 9.87e4i)T^{2} \)
53 \( 1 + (334. + 243. i)T + (4.60e4 + 1.41e5i)T^{2} \)
59 \( 1 + (12.5 + 38.4i)T + (-1.66e5 + 1.20e5i)T^{2} \)
61 \( 1 + (-138. + 425. i)T + (-1.83e5 - 1.33e5i)T^{2} \)
67 \( 1 + (344. - 250. i)T + (9.29e4 - 2.86e5i)T^{2} \)
71 \( 1 + (32.5 + 23.6i)T + (1.10e5 + 3.40e5i)T^{2} \)
73 \( 1 + (-147. + 455. i)T + (-3.14e5 - 2.28e5i)T^{2} \)
79 \( 1 + (-99.4 - 72.2i)T + (1.52e5 + 4.68e5i)T^{2} \)
83 \( 1 + (904. - 657. i)T + (1.76e5 - 5.43e5i)T^{2} \)
89 \( 1 + (482. - 1.48e3i)T + (-5.70e5 - 4.14e5i)T^{2} \)
97 \( 1 + (-1.14e3 - 831. i)T + (2.82e5 + 8.68e5i)T^{2} \)
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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

−16.84201541060095579479206741611, −15.99028813225812663154585671601, −13.49340642462213842379048572463, −12.49767075404162975085243892050, −11.61052781636935671789303684341, −10.96181144354130104773541846036, −8.156482860190653678925729037371, −6.67700683332612105710344268925, −4.82420723878832659656927625749, −1.31106848400525078922777251392, 4.57877162224634835682482955687, 5.95301292194301146419080688843, 7.30307614484638011118434811425, 10.04148118371654493418429707176, 11.08701248893977165175991899563, 11.76183430139419181267124261334, 14.37062709936856026398052062826, 15.38193610458017882120062132645, 15.98277695624403370443312657743, 17.31965741815782860149955351926

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