Properties

Label 336.6.b.b
Level $336$
Weight $6$
Character orbit 336.b
Analytic conductor $53.889$
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] = [336,6,Mod(223,336)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(336, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 0, 1]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("336.223");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 336 = 2^{4} \cdot 3 \cdot 7 \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 336.b (of order \(2\), degree \(1\), 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: \(53.8889634572\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\mathbb{Q}[x]/(x^{6} + \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 2124x^{4} + 525789x^{2} + 8340246 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{9}\cdot 3 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q + 9 q^{3} - \beta_{2} q^{5} + (\beta_{3} - \beta_{2} - \beta_1 - 16) q^{7} + 81 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 9 q^{3} - \beta_{2} q^{5} + (\beta_{3} - \beta_{2} - \beta_1 - 16) q^{7} + 81 q^{9} + ( - \beta_{4} + \beta_{3} + \cdots + 2 \beta_1) q^{11}+ \cdots + ( - 81 \beta_{4} + 81 \beta_{3} + \cdots + 162 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 54 q^{3} - 98 q^{7} + 486 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q + 54 q^{3} - 98 q^{7} + 486 q^{9} + 716 q^{19} - 882 q^{21} + 4434 q^{25} + 4374 q^{27} + 3204 q^{29} + 688 q^{31} - 7644 q^{35} - 1824 q^{37} + 31080 q^{47} - 2310 q^{49} - 20340 q^{53} - 44052 q^{55} + 6444 q^{57} + 20616 q^{59} - 7938 q^{63} + 66024 q^{65} + 39906 q^{75} + 7812 q^{77} + 39366 q^{81} - 90288 q^{83} + 194196 q^{85} + 28836 q^{87} - 123144 q^{91} + 6192 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 2124x^{4} + 525789x^{2} + 8340246 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 14\nu^{5} + 28557\nu^{3} + 6551073\nu ) / 378459 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -14\nu^{5} - 28557\nu^{3} - 5037237\nu ) / 378459 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 65\nu^{5} + 786\nu^{4} + 141597\nu^{3} + 1549206\nu^{2} + 41904630\nu + 189866160 ) / 1513836 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -65\nu^{5} + 786\nu^{4} - 141597\nu^{3} + 1549206\nu^{2} - 41904630\nu + 189866160 ) / 1513836 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{4} + 45\nu^{2} - 1121085 ) / 963 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} + \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{5} + \beta_{4} + \beta_{3} - 1415 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -336\beta_{4} + 336\beta_{3} - 1275\beta_{2} - 2055\beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 1971\beta_{5} - 45\beta_{4} - 45\beta_{3} + 2305845 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 685368\beta_{4} - 685368\beta_{3} + 2132793\beta_{2} + 3831957\beta_1 ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/336\mathbb{Z}\right)^\times\).

\(n\) \(85\) \(113\) \(127\) \(241\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
223.1
16.3138i
4.12598i
42.9050i
42.9050i
4.12598i
16.3138i
0 9.00000 0 67.7323i 0 −126.162 + 29.8359i 0 81.0000 0
223.2 0 9.00000 0 49.6604i 0 92.1496 91.1891i 0 81.0000 0
223.3 0 9.00000 0 10.2069i 0 −14.9877 128.773i 0 81.0000 0
223.4 0 9.00000 0 10.2069i 0 −14.9877 + 128.773i 0 81.0000 0
223.5 0 9.00000 0 49.6604i 0 92.1496 + 91.1891i 0 81.0000 0
223.6 0 9.00000 0 67.7323i 0 −126.162 29.8359i 0 81.0000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 223.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
28.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 336.6.b.b yes 6
3.b odd 2 1 1008.6.b.d 6
4.b odd 2 1 336.6.b.a 6
7.b odd 2 1 336.6.b.a 6
12.b even 2 1 1008.6.b.e 6
21.c even 2 1 1008.6.b.e 6
28.d even 2 1 inner 336.6.b.b yes 6
84.h odd 2 1 1008.6.b.d 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
336.6.b.a 6 4.b odd 2 1
336.6.b.a 6 7.b odd 2 1
336.6.b.b yes 6 1.a even 1 1 trivial
336.6.b.b yes 6 28.d even 2 1 inner
1008.6.b.d 6 3.b odd 2 1
1008.6.b.d 6 84.h odd 2 1
1008.6.b.e 6 12.b even 2 1
1008.6.b.e 6 21.c even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{6}^{\mathrm{new}}(336, [\chi])\):

\( T_{5}^{6} + 7158T_{5}^{4} + 12048768T_{5}^{2} + 1178689536 \) Copy content Toggle raw display
\( T_{19}^{3} - 358T_{19}^{2} - 4259200T_{19} - 1312365536 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( (T - 9)^{6} \) Copy content Toggle raw display
$5$ \( T^{6} + \cdots + 1178689536 \) Copy content Toggle raw display
$7$ \( T^{6} + \cdots + 4747561509943 \) Copy content Toggle raw display
$11$ \( T^{6} + \cdots + 11375386026336 \) Copy content Toggle raw display
$13$ \( T^{6} + \cdots + 193033860120576 \) Copy content Toggle raw display
$17$ \( T^{6} + \cdots + 77\!\cdots\!00 \) Copy content Toggle raw display
$19$ \( (T^{3} - 358 T^{2} + \cdots - 1312365536)^{2} \) Copy content Toggle raw display
$23$ \( T^{6} + \cdots + 21\!\cdots\!84 \) Copy content Toggle raw display
$29$ \( (T^{3} - 1602 T^{2} + \cdots + 88510612680)^{2} \) Copy content Toggle raw display
$31$ \( (T^{3} - 344 T^{2} + \cdots - 64852631680)^{2} \) Copy content Toggle raw display
$37$ \( (T^{3} + 912 T^{2} + \cdots + 74759166320)^{2} \) Copy content Toggle raw display
$41$ \( T^{6} + \cdots + 10\!\cdots\!76 \) Copy content Toggle raw display
$43$ \( T^{6} + \cdots + 27\!\cdots\!44 \) Copy content Toggle raw display
$47$ \( (T^{3} + \cdots + 1204195147776)^{2} \) Copy content Toggle raw display
$53$ \( (T^{3} + \cdots - 8704781092872)^{2} \) Copy content Toggle raw display
$59$ \( (T^{3} + \cdots + 1072818672192)^{2} \) Copy content Toggle raw display
$61$ \( T^{6} + \cdots + 34\!\cdots\!00 \) Copy content Toggle raw display
$67$ \( T^{6} + \cdots + 61\!\cdots\!00 \) Copy content Toggle raw display
$71$ \( T^{6} + \cdots + 81\!\cdots\!00 \) Copy content Toggle raw display
$73$ \( T^{6} + \cdots + 29\!\cdots\!00 \) Copy content Toggle raw display
$79$ \( T^{6} + \cdots + 12\!\cdots\!76 \) Copy content Toggle raw display
$83$ \( (T^{3} + \cdots - 217354174087680)^{2} \) Copy content Toggle raw display
$89$ \( T^{6} + \cdots + 65\!\cdots\!00 \) Copy content Toggle raw display
$97$ \( T^{6} + \cdots + 28\!\cdots\!04 \) Copy content Toggle raw display
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