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Properties

Label 19.3.d.a
Level $19$
Weight $3$
Character orbit 19.d
Analytic conductor $0.518$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [19,3,Mod(8,19)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(19, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("19.8");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 19 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 19.d (of order \(6\), degree \(2\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(0.517712502285\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{6})\)
Coefficient field: 6.0.6967728.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{5} + 8x^{4} + 5x^{3} + 50x^{2} - 7x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_{5} - 1) q^{2} + (\beta_{5} + \beta_{3} + 2 \beta_{2} + \beta_1) q^{3} + ( - \beta_{3} - 2 \beta_{2} - 2 \beta_1) q^{4} + ( - \beta_{5} - 2 \beta_{4} - 2 \beta_{3} + \cdots - 3) q^{5}+ \cdots + ( - 2 \beta_{5} - \beta_{4} - 5 \beta_{3} + \cdots - 2) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{5} - 1) q^{2} + (\beta_{5} + \beta_{3} + 2 \beta_{2} + \beta_1) q^{3} + ( - \beta_{3} - 2 \beta_{2} - 2 \beta_1) q^{4} + ( - \beta_{5} - 2 \beta_{4} - 2 \beta_{3} + \cdots - 3) q^{5}+ \cdots + (10 \beta_{5} + 5 \beta_{4} + \cdots + 10) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 3 q^{2} - 9 q^{3} + 5 q^{4} - 2 q^{5} + q^{6} + 14 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 3 q^{2} - 9 q^{3} + 5 q^{4} - 2 q^{5} + q^{6} + 14 q^{9} - 60 q^{10} + 26 q^{11} + 30 q^{13} + 54 q^{14} - 18 q^{15} + q^{16} - 42 q^{17} + 25 q^{19} + 108 q^{20} - 102 q^{21} - 39 q^{22} + 8 q^{23} - 83 q^{24} - 17 q^{25} - 148 q^{26} + 32 q^{28} - 12 q^{29} + 304 q^{30} + 51 q^{32} + 123 q^{33} - 6 q^{34} - 38 q^{35} - 54 q^{36} - 14 q^{38} - 44 q^{39} - 96 q^{40} + 63 q^{41} - 92 q^{42} - 34 q^{43} - 69 q^{44} - 28 q^{45} + 58 q^{47} - 147 q^{48} + 18 q^{49} + 132 q^{51} + 162 q^{52} - 12 q^{53} + 29 q^{54} - 28 q^{55} - 16 q^{57} + 172 q^{58} - 147 q^{59} - 222 q^{60} + 58 q^{61} - 116 q^{62} + 86 q^{63} + 166 q^{64} + 11 q^{66} + 201 q^{67} - 84 q^{68} - 198 q^{70} - 102 q^{71} + 210 q^{72} + 7 q^{73} + 174 q^{74} - 173 q^{76} - 376 q^{77} + 450 q^{78} + 134 q^{80} + 253 q^{81} - 145 q^{82} + 146 q^{83} - 90 q^{85} - 270 q^{86} - 568 q^{87} - 72 q^{89} - 438 q^{90} - 216 q^{91} + 72 q^{92} - 160 q^{93} + 558 q^{95} + 126 q^{96} + 21 q^{97} + 411 q^{98} - 56 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - x^{5} + 8x^{4} + 5x^{3} + 50x^{2} - 7x + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} - 8\nu^{4} + 64\nu^{3} - 50\nu^{2} + 7\nu - 56 ) / 393 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 56\nu^{5} - 55\nu^{4} + 440\nu^{3} + 344\nu^{2} + 2750\nu - 385 ) / 393 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 70\nu^{5} - 36\nu^{4} + 550\nu^{3} + 561\nu^{2} + 3634\nu + 534 ) / 393 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 77\nu^{5} - 92\nu^{4} + 605\nu^{3} + 211\nu^{2} + 3683\nu - 1430 ) / 393 \) Copy content Toggle raw display

Display \(\nu^j\) in terms of \(\beta_i\)

\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( -2\beta_{5} - \beta_{4} + 4\beta_{3} - 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{5} + \beta_{4} + 7\beta_{2} - 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 8\beta_{5} + 16\beta_{4} - 31\beta_{3} - 6\beta _1 - 23 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 28\beta_{5} + 14\beta_{4} - 48\beta_{3} - 55\beta_{2} - 55\beta _1 + 28 \) Copy content Toggle raw display

Display \(\beta_i\) in terms of \(\nu^j\)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/19\mathbb{Z}\right)^\times\).

\(n\) \(2\)
\(\chi(n)\) \(-\beta_{3}\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
8.1
1.56632 − 2.71294i
−1.13654 + 1.96854i
0.0702177 − 0.121621i
1.56632 + 2.71294i
−1.13654 − 1.96854i
0.0702177 + 0.121621i
−2.90671 − 1.67819i −3.29225 − 1.90078i 3.63264 + 6.29191i 3.47303 − 6.01546i 6.37974 + 11.0500i −1.22892 − 10.9595i 2.72593 + 4.72145i −20.1902 + 11.6568i
8.2 −0.583430 − 0.336844i 2.49304 + 1.43936i −1.77307 − 3.07105i −1.55311 + 2.69006i −0.969676 − 1.67953i −8.15294 5.08374i −0.356503 − 0.617481i 1.81226 − 1.04631i
8.3 1.99014 + 1.14901i −3.70079 − 2.13665i 0.640435 + 1.10927i −2.91992 + 5.05745i −4.91006 − 8.50447i 9.38186 − 6.24860i 4.63057 + 8.02039i −11.6221 + 6.71002i
12.1 −2.90671 + 1.67819i −3.29225 + 1.90078i 3.63264 − 6.29191i 3.47303 + 6.01546i 6.37974 − 11.0500i −1.22892 10.9595i 2.72593 − 4.72145i −20.1902 − 11.6568i
12.2 −0.583430 + 0.336844i 2.49304 − 1.43936i −1.77307 + 3.07105i −1.55311 − 2.69006i −0.969676 + 1.67953i −8.15294 − 5.08374i −0.356503 + 0.617481i 1.81226 + 1.04631i
12.3 1.99014 − 1.14901i −3.70079 + 2.13665i 0.640435 − 1.10927i −2.91992 − 5.05745i −4.91006 + 8.50447i 9.38186 6.24860i 4.63057 − 8.02039i −11.6221 − 6.71002i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 8.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
19.d odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 19.3.d.a ✓ 6
3.b odd 2 1 171.3.p.d 6
4.b odd 2 1 304.3.r.b 6
19.b odd 2 1 361.3.d.c 6
19.c even 3 1 361.3.b.b 6
19.c even 3 1 361.3.d.c 6
19.d odd 6 1 inner 19.3.d.a ✓ 6
19.d odd 6 1 361.3.b.b 6
19.e even 9 3 361.3.f.h 18
19.e even 9 3 361.3.f.i 18
19.f odd 18 3 361.3.f.h 18
19.f odd 18 3 361.3.f.i 18
57.f even 6 1 171.3.p.d 6
76.f even 6 1 304.3.r.b 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
19.3.d.a ✓ 6 1.a even 1 1 trivial
19.3.d.a ✓ 6 19.d odd 6 1 inner
171.3.p.d 6 3.b odd 2 1
171.3.p.d 6 57.f even 6 1
304.3.r.b 6 4.b odd 2 1
304.3.r.b 6 76.f even 6 1
361.3.b.b 6 19.c even 3 1
361.3.b.b 6 19.d odd 6 1
361.3.d.c 6 19.b odd 2 1
361.3.d.c 6 19.c even 3 1
361.3.f.h 18 19.e even 9 3
361.3.f.h 18 19.f odd 18 3
361.3.f.i 18 19.e even 9 3
361.3.f.i 18 19.f odd 18 3

Hecke kernels

This newform subspace is the entire newspace \(S_{3}^{\mathrm{new}}(19, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} + 3 T^{5} + \cdots + 27 \) Copy content Toggle raw display
$3$ \( T^{6} + 9 T^{5} + \cdots + 2187 \) Copy content Toggle raw display
$5$ \( T^{6} + 2 T^{5} + \cdots + 15876 \) Copy content Toggle raw display
$7$ \( (T^{3} - 78 T - 94)^{2} \) Copy content Toggle raw display
$11$ \( (T^{3} - 13 T^{2} - 83 T - 3)^{2} \) Copy content Toggle raw display
$13$ \( T^{6} - 30 T^{5} + \cdots + 355008 \) Copy content Toggle raw display
$17$ \( T^{6} + 42 T^{5} + \cdots + 5817744 \) Copy content Toggle raw display
$19$ \( T^{6} - 25 T^{5} + \cdots + 47045881 \) Copy content Toggle raw display
$23$ \( T^{6} - 8 T^{5} + \cdots + 381924 \) Copy content Toggle raw display
$29$ \( T^{6} + 12 T^{5} + \cdots + 54289548 \) Copy content Toggle raw display
$31$ \( T^{6} + \cdots + 2642351052 \) Copy content Toggle raw display
$37$ \( T^{6} + 3024 T^{4} + \cdots + 38988 \) Copy content Toggle raw display
$41$ \( T^{6} - 63 T^{5} + \cdots + 498533643 \) Copy content Toggle raw display
$43$ \( T^{6} + 34 T^{5} + \cdots + 981944896 \) Copy content Toggle raw display
$47$ \( T^{6} - 58 T^{5} + \cdots + 94361796 \) Copy content Toggle raw display
$53$ \( T^{6} + 12 T^{5} + \cdots + 48771072 \) Copy content Toggle raw display
$59$ \( T^{6} + \cdots + 1787690763 \) Copy content Toggle raw display
$61$ \( T^{6} - 58 T^{5} + \cdots + 661415524 \) Copy content Toggle raw display
$67$ \( T^{6} - 201 T^{5} + \cdots + 17294403 \) Copy content Toggle raw display
$71$ \( T^{6} + 102 T^{5} + \cdots + 1259712 \) Copy content Toggle raw display
$73$ \( T^{6} - 7 T^{5} + \cdots + 340734681 \) Copy content Toggle raw display
$79$ \( T^{6} + \cdots + 44231363328 \) Copy content Toggle raw display
$83$ \( (T^{3} - 73 T^{2} + \cdots + 397611)^{2} \) Copy content Toggle raw display
$89$ \( T^{6} + \cdots + 84829321008 \) Copy content Toggle raw display
$97$ \( T^{6} + \cdots + 21248211843 \) Copy content Toggle raw display
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