Properties

Label 2-72-72.43-c2-0-4
Degree $2$
Conductor $72$
Sign $-0.710 - 0.704i$
Analytic cond. $1.96185$
Root an. cond. $1.40066$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.460 + 1.94i)2-s + (2.66 + 1.38i)3-s + (−3.57 − 1.79i)4-s + (−8.07 + 4.66i)5-s + (−3.91 + 4.54i)6-s + (4.91 + 2.83i)7-s + (5.13 − 6.13i)8-s + (5.18 + 7.35i)9-s + (−5.35 − 17.8i)10-s + (−1.85 + 3.21i)11-s + (−7.04 − 9.71i)12-s + (11.0 − 6.40i)13-s + (−7.78 + 8.25i)14-s + (−27.9 + 1.27i)15-s + (9.56 + 12.8i)16-s + 11.1·17-s + ⋯
L(s)  = 1  + (−0.230 + 0.973i)2-s + (0.887 + 0.460i)3-s + (−0.893 − 0.448i)4-s + (−1.61 + 0.932i)5-s + (−0.652 + 0.757i)6-s + (0.701 + 0.405i)7-s + (0.642 − 0.766i)8-s + (0.576 + 0.817i)9-s + (−0.535 − 1.78i)10-s + (−0.168 + 0.292i)11-s + (−0.587 − 0.809i)12-s + (0.853 − 0.492i)13-s + (−0.555 + 0.589i)14-s + (−1.86 + 0.0848i)15-s + (0.597 + 0.801i)16-s + 0.657·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.710 - 0.704i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.710 - 0.704i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(72\)    =    \(2^{3} \cdot 3^{2}\)
Sign: $-0.710 - 0.704i$
Analytic conductor: \(1.96185\)
Root analytic conductor: \(1.40066\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{72} (43, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 72,\ (\ :1),\ -0.710 - 0.704i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.424001 + 1.02991i\)
\(L(\frac12)\) \(\approx\) \(0.424001 + 1.02991i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.460 - 1.94i)T \)
3 \( 1 + (-2.66 - 1.38i)T \)
good5 \( 1 + (8.07 - 4.66i)T + (12.5 - 21.6i)T^{2} \)
7 \( 1 + (-4.91 - 2.83i)T + (24.5 + 42.4i)T^{2} \)
11 \( 1 + (1.85 - 3.21i)T + (-60.5 - 104. i)T^{2} \)
13 \( 1 + (-11.0 + 6.40i)T + (84.5 - 146. i)T^{2} \)
17 \( 1 - 11.1T + 289T^{2} \)
19 \( 1 + 13.1T + 361T^{2} \)
23 \( 1 + (-20.2 + 11.6i)T + (264.5 - 458. i)T^{2} \)
29 \( 1 + (-14.6 - 8.47i)T + (420.5 + 728. i)T^{2} \)
31 \( 1 + (3.32 - 1.91i)T + (480.5 - 832. i)T^{2} \)
37 \( 1 - 13.8iT - 1.36e3T^{2} \)
41 \( 1 + (-3.05 - 5.29i)T + (-840.5 + 1.45e3i)T^{2} \)
43 \( 1 + (11.3 - 19.7i)T + (-924.5 - 1.60e3i)T^{2} \)
47 \( 1 + (49.8 + 28.8i)T + (1.10e3 + 1.91e3i)T^{2} \)
53 \( 1 + 60.0iT - 2.80e3T^{2} \)
59 \( 1 + (55.3 + 95.8i)T + (-1.74e3 + 3.01e3i)T^{2} \)
61 \( 1 + (-73.2 - 42.3i)T + (1.86e3 + 3.22e3i)T^{2} \)
67 \( 1 + (-16.0 - 27.8i)T + (-2.24e3 + 3.88e3i)T^{2} \)
71 \( 1 - 38.7iT - 5.04e3T^{2} \)
73 \( 1 + 13.6T + 5.32e3T^{2} \)
79 \( 1 + (4.14 + 2.39i)T + (3.12e3 + 5.40e3i)T^{2} \)
83 \( 1 + (2.70 - 4.68i)T + (-3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 - 98.2T + 7.92e3T^{2} \)
97 \( 1 + (-42.1 + 73.0i)T + (-4.70e3 - 8.14e3i)T^{2} \)
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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

−14.90106314846745517353481294028, −14.41621850954970555224520297204, −12.88251112724313839034651516720, −11.22672530993766844723529296303, −10.21991177317469648214240063210, −8.486419219566000097346291199317, −8.057118607837778459158707756700, −6.88196295421224687688810429972, −4.78055576175253943080550624026, −3.45588250592526166792516550840, 1.14249688656434246858945883000, 3.51534335975260699601994114341, 4.53605300859357439826219246617, 7.57258736795819089923819880134, 8.306291380074103643840956797594, 9.098033685116035548902946682797, 10.90948628765739755737067973342, 11.83617916354123488029970122421, 12.73595540194645883941400721485, 13.69609643614642746681073335912

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