Properties

Label 672.4.k.c
Level $672$
Weight $4$
Character orbit 672.k
Analytic conductor $39.649$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [672,4,Mod(545,672)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(672, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1, 1]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("672.545");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 672 = 2^{5} \cdot 3 \cdot 7 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 672.k (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: \(39.6492835239\)
Analytic rank: \(0\)
Dimension: \(16\)
Coefficient field: 16.0.36004060626969600000000.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - 28x^{14} + 308x^{12} - 1710x^{10} + 5156x^{8} - 7740x^{6} + 9473x^{4} + 368x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{60} \)
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.

\(f(q)\) \(=\) \( q + \beta_{5} q^{3} + \beta_{10} q^{5} + (\beta_{7} - \beta_{4}) q^{7} + (3 \beta_{8} - 3) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{5} q^{3} + \beta_{10} q^{5} + (\beta_{7} - \beta_{4}) q^{7} + (3 \beta_{8} - 3) q^{9} + (\beta_{12} + \beta_{11}) q^{11} + ( - 2 \beta_{3} + \beta_{2}) q^{13} + (\beta_{12} - 2 \beta_{11} + \cdots - \beta_1) q^{15}+ \cdots + ( - 3 \beta_{12} - 3 \beta_{11} + \cdots - 42 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 48 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 48 q^{9} - 240 q^{21} - 336 q^{25} + 4384 q^{37} - 624 q^{49} + 2400 q^{57} - 11376 q^{81} - 6016 q^{85} - 3360 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 28x^{14} + 308x^{12} - 1710x^{10} + 5156x^{8} - 7740x^{6} + 9473x^{4} + 368x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 2489 \nu^{14} + 67190 \nu^{12} - 692402 \nu^{10} + 3399884 \nu^{8} - 7916482 \nu^{6} + \cdots - 15246632 ) / 858585 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 2131 \nu^{14} - 59442 \nu^{12} + 649262 \nu^{10} - 3562780 \nu^{8} + 10578358 \nu^{6} + \cdots + 203000 ) / 245055 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 257821 \nu^{14} - 7154726 \nu^{12} + 77904750 \nu^{10} - 427794088 \nu^{8} + 1277219298 \nu^{6} + \cdots + 24994224 ) / 18134070 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 93447445 \nu^{15} + 63382528 \nu^{14} - 2641870140 \nu^{13} - 1789488000 \nu^{12} + \cdots + 4336768544 ) / 26403205920 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 93447445 \nu^{15} - 63382528 \nu^{14} - 2641870140 \nu^{13} + 1789488000 \nu^{12} + \cdots - 4336768544 ) / 26403205920 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 93447445 \nu^{15} + 154510600 \nu^{14} - 2641870140 \nu^{13} - 4442592944 \nu^{12} + \cdots - 403865289216 ) / 26403205920 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 93447445 \nu^{15} + 282190040 \nu^{14} - 2641870140 \nu^{13} - 7913287696 \nu^{12} + \cdots + 433119134976 ) / 26403205920 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 1192127 \nu^{15} - 33164340 \nu^{13} + 361428556 \nu^{11} - 1979041362 \nu^{9} + \cdots + 2120841376 \nu ) / 118933360 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 21125019 \nu^{15} + 591251420 \nu^{13} - 6510390532 \nu^{11} + 36323144514 \nu^{9} + \cdots + 27824604368 \nu ) / 1885943280 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 209764405 \nu^{15} - 5899494724 \nu^{13} + 65321421148 \nu^{11} - 366342177598 \nu^{9} + \cdots - 281999112176 \nu ) / 13201602960 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 40353 \nu^{15} + 1127452 \nu^{13} - 12350948 \nu^{11} + 67993662 \nu^{9} - 201270004 \nu^{7} + \cdots - 67584896 \nu ) / 2133420 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 4048289 \nu^{15} - 113088308 \nu^{13} + 1239000428 \nu^{11} - 6826479110 \nu^{9} + \cdots + 6806023760 \nu ) / 145072560 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 1293702675 \nu^{15} + 158324712 \nu^{14} - 36045374084 \nu^{13} - 4542913648 \nu^{12} + \cdots - 1337524604416 ) / 26403205920 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( - 1293702675 \nu^{15} - 217062664 \nu^{14} + 36045374084 \nu^{13} + 5874367408 \nu^{12} + \cdots - 1373916194560 ) / 26403205920 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 2317 \nu^{15} - 65580 \nu^{13} + 733396 \nu^{11} - 4178502 \nu^{9} + 13128356 \nu^{7} + \cdots - 3396224 \nu ) / 19220 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{11} - \beta_{10} + 3\beta_{9} + 4\beta_{8} + 4\beta_{5} + 4\beta_{4} ) / 64 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{14} + \beta_{13} - 3\beta_{7} + \beta_{6} + \beta_{5} + \beta_{4} + 2\beta_{3} - \beta_{2} - 3\beta _1 + 112 ) / 32 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - 3 \beta_{15} + 3 \beta_{14} - 3 \beta_{13} + 5 \beta_{11} + 18 \beta_{10} + 22 \beta_{9} + \cdots + 3 \beta_{3} ) / 64 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 7 \beta_{14} + 7 \beta_{13} - 25 \beta_{7} + 27 \beta_{6} + 7 \beta_{5} - 9 \beta_{4} + 18 \beta_{3} + \cdots + 672 ) / 32 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( - 35 \beta_{15} + 35 \beta_{14} - 35 \beta_{13} - 40 \beta_{12} - 59 \beta_{11} + 134 \beta_{10} + \cdots + 35 \beta_{3} ) / 64 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 48 \beta_{14} + 48 \beta_{13} - 166 \beta_{7} + 374 \beta_{6} + 244 \beta_{5} - 452 \beta_{4} + \cdots + 4840 ) / 32 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 308 \beta_{15} + 336 \beta_{14} - 336 \beta_{13} - 896 \beta_{12} - 1345 \beta_{11} + \cdots + 336 \beta_{3} ) / 64 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 365 \beta_{14} + 365 \beta_{13} - 567 \beta_{7} + 3885 \beta_{6} + 3997 \beta_{5} - 7315 \beta_{4} + \cdots + 37568 ) / 32 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 2325 \beta_{15} + 3357 \beta_{14} - 3357 \beta_{13} - 12096 \beta_{12} - 17933 \beta_{11} + \cdots + 3357 \beta_{3} ) / 64 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 2795 \beta_{14} + 2795 \beta_{13} + 4171 \beta_{7} + 35487 \beta_{6} + 48091 \beta_{5} - 87749 \beta_{4} + \cdots + 287632 ) / 32 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 15147 \beta_{15} + 34859 \beta_{14} - 34859 \beta_{13} - 134376 \beta_{12} - 198925 \beta_{11} + \cdots + 34859 \beta_{3} ) / 64 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 18816 \beta_{14} + 18816 \beta_{13} + 116110 \beta_{7} + 301330 \beta_{6} + 506324 \beta_{5} + \cdots + 1933848 ) / 32 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 77870 \beta_{15} + 358930 \beta_{14} - 358930 \beta_{13} - 1361360 \beta_{12} + \cdots + 358930 \beta_{3} ) / 64 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 87333 \beta_{14} + 87333 \beta_{13} + 1688193 \beta_{7} + 2422069 \beta_{6} + 4984629 \beta_{5} + \cdots + 8973328 ) / 32 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 145235 \beta_{15} + 3563907 \beta_{14} - 3563907 \beta_{13} - 13104000 \beta_{12} + \cdots + 3563907 \beta_{3} ) / 64 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/672\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(421\) \(449\) \(577\)
\(\chi(n)\) \(1\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
545.1
0.257054 + 0.309017i
−3.05957 + 0.309017i
2.19355 + 0.809017i
−1.12308 + 0.809017i
0.257054 0.309017i
−3.05957 0.309017i
2.19355 0.809017i
−1.12308 0.809017i
1.12308 0.809017i
−2.19355 0.809017i
3.05957 0.309017i
−0.257054 0.309017i
1.12308 + 0.809017i
−2.19355 + 0.809017i
3.05957 + 0.309017i
−0.257054 + 0.309017i
0 −3.46410 3.87298i 0 −14.3792 0 15.9613 + 9.39352i 0 −3.00000 + 26.8328i 0
545.2 0 −3.46410 3.87298i 0 −1.11272 0 −7.01699 17.1395i 0 −3.00000 + 26.8328i 0
545.3 0 −3.46410 3.87298i 0 1.11272 0 7.01699 17.1395i 0 −3.00000 + 26.8328i 0
545.4 0 −3.46410 3.87298i 0 14.3792 0 −15.9613 + 9.39352i 0 −3.00000 + 26.8328i 0
545.5 0 −3.46410 + 3.87298i 0 −14.3792 0 15.9613 9.39352i 0 −3.00000 26.8328i 0
545.6 0 −3.46410 + 3.87298i 0 −1.11272 0 −7.01699 + 17.1395i 0 −3.00000 26.8328i 0
545.7 0 −3.46410 + 3.87298i 0 1.11272 0 7.01699 + 17.1395i 0 −3.00000 26.8328i 0
545.8 0 −3.46410 + 3.87298i 0 14.3792 0 −15.9613 9.39352i 0 −3.00000 26.8328i 0
545.9 0 3.46410 3.87298i 0 −14.3792 0 −15.9613 + 9.39352i 0 −3.00000 26.8328i 0
545.10 0 3.46410 3.87298i 0 −1.11272 0 7.01699 17.1395i 0 −3.00000 26.8328i 0
545.11 0 3.46410 3.87298i 0 1.11272 0 −7.01699 17.1395i 0 −3.00000 26.8328i 0
545.12 0 3.46410 3.87298i 0 14.3792 0 15.9613 + 9.39352i 0 −3.00000 26.8328i 0
545.13 0 3.46410 + 3.87298i 0 −14.3792 0 −15.9613 9.39352i 0 −3.00000 + 26.8328i 0
545.14 0 3.46410 + 3.87298i 0 −1.11272 0 7.01699 + 17.1395i 0 −3.00000 + 26.8328i 0
545.15 0 3.46410 + 3.87298i 0 1.11272 0 −7.01699 + 17.1395i 0 −3.00000 + 26.8328i 0
545.16 0 3.46410 + 3.87298i 0 14.3792 0 15.9613 9.39352i 0 −3.00000 + 26.8328i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 545.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
4.b odd 2 1 inner
7.b odd 2 1 inner
12.b even 2 1 inner
21.c even 2 1 inner
28.d even 2 1 inner
84.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 672.4.k.c 16
3.b odd 2 1 inner 672.4.k.c 16
4.b odd 2 1 inner 672.4.k.c 16
7.b odd 2 1 inner 672.4.k.c 16
12.b even 2 1 inner 672.4.k.c 16
21.c even 2 1 inner 672.4.k.c 16
28.d even 2 1 inner 672.4.k.c 16
84.h odd 2 1 inner 672.4.k.c 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
672.4.k.c 16 1.a even 1 1 trivial
672.4.k.c 16 3.b odd 2 1 inner
672.4.k.c 16 4.b odd 2 1 inner
672.4.k.c 16 7.b odd 2 1 inner
672.4.k.c 16 12.b even 2 1 inner
672.4.k.c 16 21.c even 2 1 inner
672.4.k.c 16 28.d even 2 1 inner
672.4.k.c 16 84.h odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{4} - 208T_{5}^{2} + 256 \) acting on \(S_{4}^{\mathrm{new}}(672, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{4} + 6 T^{2} + 729)^{4} \) Copy content Toggle raw display
$5$ \( (T^{4} - 208 T^{2} + 256)^{4} \) Copy content Toggle raw display
$7$ \( (T^{8} + 156 T^{6} + \cdots + 13841287201)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} + 1968 T^{2} + 112896)^{4} \) Copy content Toggle raw display
$13$ \( (T^{4} + 8576 T^{2} + 7573504)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 5968 T^{2} + 8386816)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} + 15672 T^{2} + 23386896)^{4} \) Copy content Toggle raw display
$23$ \( (T^{4} + 13488 T^{2} + 29419776)^{4} \) Copy content Toggle raw display
$29$ \( (T^{4} + 43936 T^{2} + 25725184)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} + 28408 T^{2} + 69288976)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 548 T + 64516)^{8} \) Copy content Toggle raw display
$41$ \( (T^{4} - 7248 T^{2} + 12278016)^{4} \) Copy content Toggle raw display
$43$ \( (T^{4} - 147136 T^{2} + 2938507264)^{4} \) Copy content Toggle raw display
$47$ \( (T^{4} - 139136 T^{2} + 1714622464)^{4} \) Copy content Toggle raw display
$53$ \( (T^{4} + 609696 T^{2} + 92056414464)^{4} \) Copy content Toggle raw display
$59$ \( (T^{4} - 835424 T^{2} + 81960818944)^{4} \) Copy content Toggle raw display
$61$ \( (T^{4} + 308096 T^{2} + 15847788544)^{4} \) Copy content Toggle raw display
$67$ \( (T^{4} - 122304 T^{2} + 88510464)^{4} \) Copy content Toggle raw display
$71$ \( (T^{4} + 1353392 T^{2} + 21994076416)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} + 667136 T^{2} + 48809181184)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} - 1131456 T^{2} + 201680031744)^{4} \) Copy content Toggle raw display
$83$ \( (T^{4} - 1484384 T^{2} + 406594971904)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} + \cdots + 1173010299136)^{4} \) Copy content Toggle raw display
$97$ \( (T^{4} + 1593600 T^{2} + 619683840000)^{4} \) Copy content Toggle raw display
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