Properties

Label 2-1638-13.12-c1-0-25
Degree $2$
Conductor $1638$
Sign $0.832 + 0.554i$
Analytic cond. $13.0794$
Root an. cond. $3.61655$
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  + i·2-s − 4-s i·5-s i·7-s i·8-s + 10-s i·11-s + (3 + 2i)13-s + 14-s + 16-s − 17-s i·19-s + i·20-s + 22-s − 3·23-s + ⋯
L(s)  = 1  + 0.707i·2-s − 0.5·4-s − 0.447i·5-s − 0.377i·7-s − 0.353i·8-s + 0.316·10-s − 0.301i·11-s + (0.832 + 0.554i)13-s + 0.267·14-s + 0.250·16-s − 0.242·17-s − 0.229i·19-s + 0.223i·20-s + 0.213·22-s − 0.625·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1638 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.832 + 0.554i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1638 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.832 + 0.554i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1638\)    =    \(2 \cdot 3^{2} \cdot 7 \cdot 13\)
Sign: $0.832 + 0.554i$
Analytic conductor: \(13.0794\)
Root analytic conductor: \(3.61655\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1638} (883, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1638,\ (\ :1/2),\ 0.832 + 0.554i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.379306868\)
\(L(\frac12)\) \(\approx\) \(1.379306868\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - iT \)
3 \( 1 \)
7 \( 1 + iT \)
13 \( 1 + (-3 - 2i)T \)
good5 \( 1 + iT - 5T^{2} \)
11 \( 1 + iT - 11T^{2} \)
17 \( 1 + T + 17T^{2} \)
19 \( 1 + iT - 19T^{2} \)
23 \( 1 + 3T + 23T^{2} \)
29 \( 1 + 9T + 29T^{2} \)
31 \( 1 + 4iT - 31T^{2} \)
37 \( 1 + 9iT - 37T^{2} \)
41 \( 1 + 8iT - 41T^{2} \)
43 \( 1 - 7T + 43T^{2} \)
47 \( 1 + 8iT - 47T^{2} \)
53 \( 1 - 10T + 53T^{2} \)
59 \( 1 - 6iT - 59T^{2} \)
61 \( 1 - 11T + 61T^{2} \)
67 \( 1 + 12iT - 67T^{2} \)
71 \( 1 + 6iT - 71T^{2} \)
73 \( 1 - 11iT - 73T^{2} \)
79 \( 1 + 12T + 79T^{2} \)
83 \( 1 + 6iT - 83T^{2} \)
89 \( 1 + 12iT - 89T^{2} \)
97 \( 1 + 2iT - 97T^{2} \)
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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

−8.923151729380885625586443407000, −8.724349818338890100419036863488, −7.56744132373493208535869427739, −7.02866321813685786888235586540, −5.98239029814800595962653552624, −5.41766685014813799512945661417, −4.23352339657263625153491165396, −3.70749095648718184002549111569, −2.06119802347000057699424732207, −0.58334601001825132688012284631, 1.28109676730845854431453883218, 2.48381326839205881934110771994, 3.35105147874108255698222362429, 4.26293531257245778785264389355, 5.33357163356571344567471986890, 6.12366523540809836145610259230, 7.07276906570607267469539849406, 8.071395067409180812612779582792, 8.715142890245018728523541581837, 9.605415753795048473971187581684

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