Properties

Label 378.4.f.d
Level $378$
Weight $4$
Character orbit 378.f
Analytic conductor $22.303$
Analytic rank $0$
Dimension $12$
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] = [378,4,Mod(127,378)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(378, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([4, 0]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("378.127");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 378 = 2 \cdot 3^{3} \cdot 7 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 378.f (of order \(3\), degree \(2\), not 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: \(22.3027219822\)
Analytic rank: \(0\)
Dimension: \(12\)
Relative dimension: \(6\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\mathbb{Q}[x]/(x^{12} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - x^{11} + 3 x^{10} + 27 x^{9} + 159 x^{8} + 2001 x^{7} + 12876 x^{6} + 4140 x^{5} + \cdots + 256562019 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{2}\cdot 3^{15} \)
Twist minimal: no (minimal twist has level 126)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 2 \beta_1 q^{2} + ( - 4 \beta_1 - 4) q^{4} + (\beta_{8} - \beta_{4} + \beta_1 + 2) q^{5} + 7 \beta_1 q^{7} - 8 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( q - 2 \beta_1 q^{2} + ( - 4 \beta_1 - 4) q^{4} + (\beta_{8} - \beta_{4} + \beta_1 + 2) q^{5} + 7 \beta_1 q^{7} - 8 q^{8} + (2 \beta_{8} + 4) q^{10} + ( - \beta_{5} + \beta_{4} - 6 \beta_1) q^{11} + ( - \beta_{10} - \beta_{8} - \beta_{6} + \cdots - 4) q^{13}+ \cdots - 98 q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 12 q^{2} - 24 q^{4} + 9 q^{5} - 42 q^{7} - 96 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + 12 q^{2} - 24 q^{4} + 9 q^{5} - 42 q^{7} - 96 q^{8} + 36 q^{10} + 39 q^{11} - 21 q^{13} + 84 q^{14} - 96 q^{16} - 174 q^{17} + 192 q^{19} + 36 q^{20} - 78 q^{22} + 168 q^{23} - 309 q^{25} - 84 q^{26} + 336 q^{28} + 117 q^{29} - 129 q^{31} + 192 q^{32} - 174 q^{34} - 126 q^{35} + 942 q^{37} + 192 q^{38} - 72 q^{40} + 255 q^{41} - 942 q^{43} - 312 q^{44} + 672 q^{46} + 81 q^{47} - 294 q^{49} + 618 q^{50} - 84 q^{52} - 180 q^{53} + 1392 q^{55} + 336 q^{56} - 234 q^{58} + 444 q^{59} - 978 q^{61} - 516 q^{62} + 768 q^{64} + 747 q^{65} - 663 q^{67} + 348 q^{68} - 126 q^{70} - 1014 q^{71} + 288 q^{73} + 942 q^{74} - 384 q^{76} + 273 q^{77} - 609 q^{79} - 288 q^{80} + 1020 q^{82} + 516 q^{83} - 1563 q^{85} + 1884 q^{86} - 312 q^{88} - 756 q^{89} + 294 q^{91} + 672 q^{92} - 162 q^{94} + 846 q^{95} - 2292 q^{97} - 1176 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - x^{11} + 3 x^{10} + 27 x^{9} + 159 x^{8} + 2001 x^{7} + 12876 x^{6} + 4140 x^{5} + \cdots + 256562019 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 549265 \nu^{11} - 1650591 \nu^{10} + 28908834 \nu^{9} - 267393729 \nu^{8} + \cdots - 155590600968711 ) / 78506715704076 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 3608779 \nu^{11} + 62972154 \nu^{10} - 174314472 \nu^{9} + 3118665387 \nu^{8} + \cdots + 18\!\cdots\!60 ) / 43614842057820 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 60717364 \nu^{11} - 332637651 \nu^{10} + 722539770 \nu^{9} - 21152574516 \nu^{8} + \cdots - 16\!\cdots\!41 ) / 392533578520380 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 114956438 \nu^{11} - 433180197 \nu^{10} + 873780306 \nu^{9} + 3580475874 \nu^{8} + \cdots + 68\!\cdots\!05 ) / 392533578520380 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 10247792 \nu^{11} + 69421482 \nu^{10} - 790961826 \nu^{9} + 4876259361 \nu^{8} + \cdots + 17\!\cdots\!65 ) / 32711131543365 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 111337 \nu^{11} - 106245 \nu^{10} + 2640498 \nu^{9} - 10299117 \nu^{8} + \cdots - 10010494728729 ) / 197153982180 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 40048 \nu^{11} + 236385 \nu^{10} - 1251363 \nu^{9} + 4980507 \nu^{8} - 9686223 \nu^{7} + \cdots - 1565690641101 ) / 49288495545 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 172621 \nu^{11} - 971055 \nu^{10} + 3718146 \nu^{9} - 3648939 \nu^{8} + 14363001 \nu^{7} + \cdots + 7168034708757 ) / 197153982180 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 390129904 \nu^{11} + 624570291 \nu^{10} + 959177022 \nu^{9} - 57580338432 \nu^{8} + \cdots - 42\!\cdots\!15 ) / 392533578520380 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 497582731 \nu^{11} + 421097346 \nu^{10} - 16130014728 \nu^{9} + 123131442063 \nu^{8} + \cdots + 53\!\cdots\!60 ) / 392533578520380 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 172902613 \nu^{11} - 1063790118 \nu^{10} + 6355493940 \nu^{9} - 32374640643 \nu^{8} + \cdots + 46\!\cdots\!92 ) / 130844526173460 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{11} + 2\beta_{9} + \beta_{8} - 2\beta_{7} + \beta_{5} + \beta_{4} - \beta_{3} + \beta_{2} + 5\beta _1 + 5 ) / 27 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( - 4 \beta_{11} + 2 \beta_{9} + 4 \beta_{8} + \beta_{7} - 9 \beta_{6} - 11 \beta_{5} + 7 \beta_{4} + \cdots - 25 ) / 27 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 17 \beta_{11} + 45 \beta_{10} + 8 \beta_{9} - 8 \beta_{8} - 2 \beta_{7} + 18 \beta_{6} - 56 \beta_{5} + \cdots - 346 ) / 27 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 188 \beta_{11} + 189 \beta_{10} + 47 \beta_{9} - 377 \beta_{8} + 169 \beta_{7} + 216 \beta_{6} + \cdots - 4828 ) / 27 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 1202 \beta_{11} + 162 \beta_{10} + 641 \beta_{9} - 392 \beta_{8} + 1738 \beta_{7} + 153 \beta_{6} + \cdots - 67291 ) / 27 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 6866 \beta_{11} + 1584 \beta_{10} - 1243 \beta_{9} - 8153 \beta_{8} + 8080 \beta_{7} + 2691 \beta_{6} + \cdots - 431977 ) / 27 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 44702 \beta_{11} + 27162 \beta_{10} - 21373 \beta_{9} - 35900 \beta_{8} + 72970 \beta_{7} + \cdots - 142024 ) / 27 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 125420 \beta_{11} + 70308 \beta_{10} - 165931 \beta_{9} + 173632 \beta_{8} + 445924 \beta_{7} + \cdots - 1200625 ) / 27 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 725057 \beta_{11} - 936558 \beta_{10} - 2013481 \beta_{9} + 381169 \beta_{8} + 1796299 \beta_{7} + \cdots - 20728048 ) / 27 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 4494401 \beta_{11} - 5966676 \beta_{10} - 13463845 \beta_{9} - 10573235 \beta_{8} + 1568455 \beta_{7} + \cdots - 216184153 ) / 27 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 7190042 \beta_{11} - 29814885 \beta_{10} - 63126781 \beta_{9} - 30067277 \beta_{8} - 20478419 \beta_{7} + \cdots - 903351877 ) / 27 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/378\mathbb{Z}\right)^\times\).

\(n\) \(29\) \(325\)
\(\chi(n)\) \(-1 - \beta_{1}\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
127.1
−1.48269 + 4.56467i
−3.70580 2.20351i
5.63850 2.34186i
3.71435 + 4.43083i
0.291003 5.14756i
−3.95537 + 1.56344i
−1.48269 4.56467i
−3.70580 + 2.20351i
5.63850 + 2.34186i
3.71435 4.43083i
0.291003 + 5.14756i
−3.95537 1.56344i
1.00000 1.73205i 0 −2.00000 3.46410i −9.01223 15.6096i 0 −3.50000 + 6.06218i −8.00000 0 −36.0489
127.2 1.00000 1.73205i 0 −2.00000 3.46410i −6.20795 10.7525i 0 −3.50000 + 6.06218i −8.00000 0 −24.8318
127.3 1.00000 1.73205i 0 −2.00000 3.46410i 1.45017 + 2.51177i 0 −3.50000 + 6.06218i −8.00000 0 5.80068
127.4 1.00000 1.73205i 0 −2.00000 3.46410i 3.48648 + 6.03876i 0 −3.50000 + 6.06218i −8.00000 0 13.9459
127.5 1.00000 1.73205i 0 −2.00000 3.46410i 4.11639 + 7.12980i 0 −3.50000 + 6.06218i −8.00000 0 16.4656
127.6 1.00000 1.73205i 0 −2.00000 3.46410i 10.6671 + 18.4760i 0 −3.50000 + 6.06218i −8.00000 0 42.6686
253.1 1.00000 + 1.73205i 0 −2.00000 + 3.46410i −9.01223 + 15.6096i 0 −3.50000 6.06218i −8.00000 0 −36.0489
253.2 1.00000 + 1.73205i 0 −2.00000 + 3.46410i −6.20795 + 10.7525i 0 −3.50000 6.06218i −8.00000 0 −24.8318
253.3 1.00000 + 1.73205i 0 −2.00000 + 3.46410i 1.45017 2.51177i 0 −3.50000 6.06218i −8.00000 0 5.80068
253.4 1.00000 + 1.73205i 0 −2.00000 + 3.46410i 3.48648 6.03876i 0 −3.50000 6.06218i −8.00000 0 13.9459
253.5 1.00000 + 1.73205i 0 −2.00000 + 3.46410i 4.11639 7.12980i 0 −3.50000 6.06218i −8.00000 0 16.4656
253.6 1.00000 + 1.73205i 0 −2.00000 + 3.46410i 10.6671 18.4760i 0 −3.50000 6.06218i −8.00000 0 42.6686
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 127.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
9.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 378.4.f.d 12
3.b odd 2 1 126.4.f.d 12
9.c even 3 1 inner 378.4.f.d 12
9.c even 3 1 1134.4.a.s 6
9.d odd 6 1 126.4.f.d 12
9.d odd 6 1 1134.4.a.t 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
126.4.f.d 12 3.b odd 2 1
126.4.f.d 12 9.d odd 6 1
378.4.f.d 12 1.a even 1 1 trivial
378.4.f.d 12 9.c even 3 1 inner
1134.4.a.s 6 9.c even 3 1
1134.4.a.t 6 9.d odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{12} - 9 T_{5}^{11} + 570 T_{5}^{10} - 2979 T_{5}^{9} + 230607 T_{5}^{8} - 1467153 T_{5}^{7} + \cdots + 631920064356 \) acting on \(S_{4}^{\mathrm{new}}(378, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} - 2 T + 4)^{6} \) Copy content Toggle raw display
$3$ \( T^{12} \) Copy content Toggle raw display
$5$ \( T^{12} + \cdots + 631920064356 \) Copy content Toggle raw display
$7$ \( (T^{2} + 7 T + 49)^{6} \) Copy content Toggle raw display
$11$ \( T^{12} + \cdots + 12\!\cdots\!76 \) Copy content Toggle raw display
$13$ \( T^{12} + \cdots + 26\!\cdots\!44 \) Copy content Toggle raw display
$17$ \( (T^{6} + 87 T^{5} + \cdots + 19974003516)^{2} \) Copy content Toggle raw display
$19$ \( (T^{6} - 96 T^{5} + \cdots - 49162528397)^{2} \) Copy content Toggle raw display
$23$ \( T^{12} + \cdots + 29\!\cdots\!16 \) Copy content Toggle raw display
$29$ \( T^{12} + \cdots + 47\!\cdots\!04 \) Copy content Toggle raw display
$31$ \( T^{12} + \cdots + 54\!\cdots\!76 \) Copy content Toggle raw display
$37$ \( (T^{6} + \cdots + 329496675669784)^{2} \) Copy content Toggle raw display
$41$ \( T^{12} + \cdots + 12\!\cdots\!76 \) Copy content Toggle raw display
$43$ \( T^{12} + \cdots + 25\!\cdots\!76 \) Copy content Toggle raw display
$47$ \( T^{12} + \cdots + 71\!\cdots\!36 \) Copy content Toggle raw display
$53$ \( (T^{6} + \cdots + 16537522636368)^{2} \) Copy content Toggle raw display
$59$ \( T^{12} + \cdots + 13\!\cdots\!36 \) Copy content Toggle raw display
$61$ \( T^{12} + \cdots + 99\!\cdots\!96 \) Copy content Toggle raw display
$67$ \( T^{12} + \cdots + 96\!\cdots\!24 \) Copy content Toggle raw display
$71$ \( (T^{6} + \cdots - 28\!\cdots\!24)^{2} \) Copy content Toggle raw display
$73$ \( (T^{6} + \cdots + 50\!\cdots\!28)^{2} \) Copy content Toggle raw display
$79$ \( T^{12} + \cdots + 21\!\cdots\!56 \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 16\!\cdots\!44 \) Copy content Toggle raw display
$89$ \( (T^{6} + \cdots + 12\!\cdots\!12)^{2} \) Copy content Toggle raw display
$97$ \( T^{12} + \cdots + 97\!\cdots\!76 \) Copy content Toggle raw display
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