Properties

Label 384.8.d.f
Level $384$
Weight $8$
Character orbit 384.d
Analytic conductor $119.956$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [384,8,Mod(193,384)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(384, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 0]))
 
N = Newforms(chi, 8, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("384.193");
 
S:= CuspForms(chi, 8);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 384 = 2^{7} \cdot 3 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 384.d (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: \(119.955849786\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 8 x^{15} - 1020 x^{14} + 7280 x^{13} + 388150 x^{12} - 2423904 x^{11} - 70542796 x^{10} + \cdots + 694045717832241 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2^{108}\cdot 3^{28} \)
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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{8} q^{3} - \beta_1 q^{5} + \beta_{10} q^{7} - 729 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{8} q^{3} - \beta_1 q^{5} + \beta_{10} q^{7} - 729 q^{9} + ( - \beta_{11} + 47 \beta_{8}) q^{11} + (\beta_{2} + 4 \beta_1) q^{13} + (\beta_{12} - \beta_{10}) q^{15} + (\beta_{5} + 4830) q^{17} + (\beta_{13} - 4 \beta_{9} - 260 \beta_{8}) q^{19} + (\beta_{4} + \beta_{2} - 11 \beta_1) q^{21} + ( - \beta_{15} - 2 \beta_{14} + \cdots + 4 \beta_{10}) q^{23}+ \cdots + (729 \beta_{11} - 34263 \beta_{8}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 11664 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 11664 q^{9} + 77280 q^{17} - 236464 q^{25} + 544320 q^{33} - 930912 q^{41} + 1163024 q^{49} - 3032640 q^{57} + 6283008 q^{65} - 2727200 q^{73} + 8503056 q^{81} - 43093152 q^{89} + 35537120 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 8 x^{15} - 1020 x^{14} + 7280 x^{13} + 388150 x^{12} - 2423904 x^{11} - 70542796 x^{10} + \cdots + 694045717832241 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 34\!\cdots\!03 \nu^{14} + \cdots + 43\!\cdots\!87 ) / 50\!\cdots\!34 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 20\!\cdots\!52 \nu^{14} + \cdots - 29\!\cdots\!93 ) / 71\!\cdots\!62 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 12\!\cdots\!00 \nu^{14} + \cdots - 10\!\cdots\!70 ) / 11\!\cdots\!89 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 17\!\cdots\!82 \nu^{14} + \cdots + 70\!\cdots\!63 ) / 83\!\cdots\!39 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 27\!\cdots\!52 \nu^{14} + \cdots - 23\!\cdots\!50 ) / 11\!\cdots\!89 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 19\!\cdots\!97 \nu^{14} + \cdots - 47\!\cdots\!83 ) / 50\!\cdots\!34 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 18\!\cdots\!80 \nu^{14} + \cdots + 15\!\cdots\!68 ) / 11\!\cdots\!89 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 2164418201736 \nu^{15} + 16233136513020 \nu^{14} + \cdots - 17\!\cdots\!93 ) / 34\!\cdots\!84 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 12\!\cdots\!76 \nu^{15} + \cdots - 12\!\cdots\!36 ) / 80\!\cdots\!01 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 43\!\cdots\!48 \nu^{15} + \cdots - 20\!\cdots\!17 ) / 99\!\cdots\!12 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 10\!\cdots\!32 \nu^{15} + \cdots + 41\!\cdots\!63 ) / 12\!\cdots\!12 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 26\!\cdots\!52 \nu^{15} + \cdots - 93\!\cdots\!05 ) / 17\!\cdots\!21 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 32\!\cdots\!28 \nu^{15} + \cdots - 12\!\cdots\!72 ) / 77\!\cdots\!57 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 75\!\cdots\!56 \nu^{15} + \cdots - 25\!\cdots\!63 ) / 17\!\cdots\!21 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 38\!\cdots\!32 \nu^{15} + \cdots - 11\!\cdots\!31 ) / 34\!\cdots\!42 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( 6\beta_{15} - 12\beta_{14} - 62\beta_{12} + 188\beta_{10} - 27\beta_{9} + 27648 ) / 55296 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 12 \beta_{15} - 24 \beta_{14} - 124 \beta_{12} + 376 \beta_{10} - 54 \beta_{9} + 39 \beta_{7} + \cdots + 14542848 ) / 110592 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 9888 \beta_{15} - 21928 \beta_{14} - 288 \beta_{13} - 46208 \beta_{12} + 8352 \beta_{11} + \cdots + 43573248 ) / 221184 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 4938 \beta_{15} - 10952 \beta_{14} - 144 \beta_{13} - 23042 \beta_{12} + 4176 \beta_{11} + \cdots + 1936935936 ) / 55296 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 3453552 \beta_{15} - 8292808 \beta_{14} - 364800 \beta_{13} - 13398160 \beta_{12} + \cdots + 19296755712 ) / 221184 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 2577822 \beta_{15} - 6192232 \beta_{14} - 273240 \beta_{13} - 9991046 \beta_{12} + \cdots + 642353144832 ) / 55296 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 304967922 \beta_{15} - 746679828 \beta_{14} - 51763824 \beta_{13} - 1133014618 \beta_{12} + \cdots + 2231364049920 ) / 55296 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 603926685 \beta_{15} - 1478923888 \beta_{14} - 102890256 \beta_{13} - 2242743657 \beta_{12} + \cdots + 112235382065664 ) / 27648 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 143900998072 \beta_{15} - 353868327288 \beta_{14} - 32705604480 \beta_{13} - 529692128760 \beta_{12} + \cdots + 13\!\cdots\!32 ) / 73728 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 1061175725136 \beta_{15} - 2609731319784 \beta_{14} - 242209149840 \beta_{13} + \cdots + 15\!\cdots\!08 ) / 110592 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 152441390392872 \beta_{15} - 375229726968440 \beta_{14} - 43374027325728 \beta_{13} + \cdots + 17\!\cdots\!60 ) / 221184 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 111422746025514 \beta_{15} - 274269868316848 \beta_{14} - 31866140017008 \beta_{13} + \cdots + 13\!\cdots\!00 ) / 27648 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 26\!\cdots\!40 \beta_{15} + \cdots + 35\!\cdots\!08 ) / 110592 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 18\!\cdots\!36 \beta_{15} + \cdots + 19\!\cdots\!52 ) / 110592 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 18\!\cdots\!12 \beta_{15} + \cdots + 28\!\cdots\!88 ) / 221184 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/384\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(133\) \(257\)
\(\chi(n)\) \(1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
193.1
9.25013 0.707107i
9.47155 + 0.707107i
19.4308 + 0.707107i
3.90187 0.707107i
−2.90187 0.707107i
−18.4308 + 0.707107i
−8.47155 + 0.707107i
−8.25013 0.707107i
−8.25013 + 0.707107i
−8.47155 0.707107i
−18.4308 0.707107i
−2.90187 + 0.707107i
3.90187 + 0.707107i
19.4308 0.707107i
9.47155 0.707107i
9.25013 + 0.707107i
0 27.0000i 0 484.521i 0 −826.966 0 −729.000 0
193.2 0 27.0000i 0 295.990i 0 1208.55 0 −729.000 0
193.3 0 27.0000i 0 183.972i 0 284.564 0 −729.000 0
193.4 0 27.0000i 0 124.096i 0 1165.97 0 −729.000 0
193.5 0 27.0000i 0 124.096i 0 −1165.97 0 −729.000 0
193.6 0 27.0000i 0 183.972i 0 −284.564 0 −729.000 0
193.7 0 27.0000i 0 295.990i 0 −1208.55 0 −729.000 0
193.8 0 27.0000i 0 484.521i 0 826.966 0 −729.000 0
193.9 0 27.0000i 0 484.521i 0 826.966 0 −729.000 0
193.10 0 27.0000i 0 295.990i 0 −1208.55 0 −729.000 0
193.11 0 27.0000i 0 183.972i 0 −284.564 0 −729.000 0
193.12 0 27.0000i 0 124.096i 0 −1165.97 0 −729.000 0
193.13 0 27.0000i 0 124.096i 0 1165.97 0 −729.000 0
193.14 0 27.0000i 0 183.972i 0 284.564 0 −729.000 0
193.15 0 27.0000i 0 295.990i 0 1208.55 0 −729.000 0
193.16 0 27.0000i 0 484.521i 0 −826.966 0 −729.000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 193.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
4.b odd 2 1 inner
8.b even 2 1 inner
8.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 384.8.d.f 16
4.b odd 2 1 inner 384.8.d.f 16
8.b even 2 1 inner 384.8.d.f 16
8.d odd 2 1 inner 384.8.d.f 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
384.8.d.f 16 1.a even 1 1 trivial
384.8.d.f 16 4.b odd 2 1 inner
384.8.d.f 16 8.b even 2 1 inner
384.8.d.f 16 8.d odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{8}^{\mathrm{new}}(384, [\chi])\):

\( T_{5}^{8} + 371616T_{5}^{6} + 36963868032T_{5}^{4} + 1180874777241600T_{5}^{2} + 10720051644418560000 \) Copy content Toggle raw display
\( T_{7}^{8} - 3584928T_{7}^{6} + 4197967850880T_{7}^{4} - 1674896085793253376T_{7}^{2} + 109960973310053162225664 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{2} + 729)^{8} \) Copy content Toggle raw display
$5$ \( (T^{8} + \cdots + 10\!\cdots\!00)^{2} \) Copy content Toggle raw display
$7$ \( (T^{8} + \cdots + 10\!\cdots\!64)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} + \cdots + 23\!\cdots\!96)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} + \cdots + 17\!\cdots\!24)^{2} \) Copy content Toggle raw display
$17$ \( (T^{4} + \cdots - 23\!\cdots\!36)^{4} \) Copy content Toggle raw display
$19$ \( (T^{8} + \cdots + 13\!\cdots\!76)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + \cdots + 32\!\cdots\!44)^{2} \) Copy content Toggle raw display
$29$ \( (T^{8} + \cdots + 40\!\cdots\!64)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} + \cdots + 23\!\cdots\!24)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + \cdots + 41\!\cdots\!64)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + \cdots + 31\!\cdots\!76)^{4} \) Copy content Toggle raw display
$43$ \( (T^{8} + \cdots + 59\!\cdots\!76)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + \cdots + 32\!\cdots\!04)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + \cdots + 29\!\cdots\!04)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} + \cdots + 36\!\cdots\!56)^{2} \) Copy content Toggle raw display
$61$ \( (T^{8} + \cdots + 27\!\cdots\!64)^{2} \) Copy content Toggle raw display
$67$ \( (T^{8} + \cdots + 18\!\cdots\!16)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} + \cdots + 37\!\cdots\!24)^{2} \) Copy content Toggle raw display
$73$ \( (T^{4} + \cdots + 37\!\cdots\!64)^{4} \) Copy content Toggle raw display
$79$ \( (T^{8} + \cdots + 15\!\cdots\!44)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + \cdots + 57\!\cdots\!16)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + \cdots - 18\!\cdots\!84)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} + \cdots - 86\!\cdots\!16)^{4} \) Copy content Toggle raw display
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