Properties

Label 4608.2.k.bl
Level $4608$
Weight $2$
Character orbit 4608.k
Analytic conductor $36.795$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [4608,2,Mod(1153,4608)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4608, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([0, 3, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("4608.1153");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4608 = 2^{9} \cdot 3^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4608.k (of order \(4\), 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: \(36.7950652514\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(8\) over \(\Q(i)\)
Coefficient field: \(\mathbb{Q}[x]/(x^{16} + \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} + 24x^{14} + 192x^{12} + 672x^{10} + 1092x^{8} + 880x^{6} + 352x^{4} + 64x^{2} + 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{25}]\)
Coefficient ring index: \( 2^{23} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{3} q^{5} - \beta_{14} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{5} - \beta_{14} q^{7} - \beta_1 q^{11} + (\beta_{9} - \beta_{5} + 1) q^{13} - \beta_{10} q^{17} + (\beta_{14} + \beta_{11} + \beta_{7}) q^{19} - \beta_{15} q^{23} + ( - \beta_{13} - \beta_{9} + \beta_{5}) q^{25} + ( - \beta_{12} + \beta_{10} + \beta_{4}) q^{29} + (\beta_{11} + \beta_{8} + \beta_{7}) q^{31} + ( - \beta_{15} - \beta_{6} + \beta_{2}) q^{35} + ( - \beta_{13} - \beta_{5} - 1) q^{37} + ( - \beta_{12} + 2 \beta_{4} - 2 \beta_{3}) q^{41} + ( - \beta_{14} - \beta_{8} + \beta_{7}) q^{43} + (\beta_{6} - 2 \beta_{2} - 2 \beta_1) q^{47} + ( - \beta_{13} + \beta_{9} - 1) q^{49} + ( - \beta_{12} - \beta_{10} - \beta_{3}) q^{53} + ( - 2 \beta_{14} - \beta_{11} + \beta_{8}) q^{55} + (\beta_{15} - \beta_{6} - 2 \beta_1) q^{59} + ( - 3 \beta_{9} + \beta_{5} - 1) q^{61} + (\beta_{10} + 2 \beta_{4} + 2 \beta_{3}) q^{65} + (2 \beta_{14} + 2 \beta_{7}) q^{67} + ( - 2 \beta_{15} - 2 \beta_{2} + 2 \beta_1) q^{71} + (3 \beta_{13} + 3 \beta_{9} - 2 \beta_{5}) q^{73} + (\beta_{12} - \beta_{10} - 2 \beta_{4}) q^{77} + \beta_{7} q^{79} + ( - 2 \beta_{15} - 2 \beta_{6} + \beta_{2}) q^{83} + (4 \beta_{13} + 2 \beta_{5} + 2) q^{85} + (2 \beta_{12} - 2 \beta_{4} + 2 \beta_{3}) q^{89} + ( - \beta_{14} + \beta_{8} + \beta_{7}) q^{91} + (\beta_{6} - 4 \beta_{2} - 4 \beta_1) q^{95} + (4 \beta_{13} - 4 \beta_{9} - 4) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 16 q^{13} - 16 q^{37} - 16 q^{49} - 16 q^{61} + 32 q^{85} - 64 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} + 24x^{14} + 192x^{12} + 672x^{10} + 1092x^{8} + 880x^{6} + 352x^{4} + 64x^{2} + 4 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{14} - 3 \nu^{13} + 20 \nu^{12} - 69 \nu^{11} + 100 \nu^{10} - 506 \nu^{9} - 4 \nu^{8} - 1488 \nu^{7} + \cdots - 72 ) / 8 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{14} + 3 \nu^{13} + 20 \nu^{12} + 69 \nu^{11} + 100 \nu^{10} + 506 \nu^{9} - 4 \nu^{8} + 1488 \nu^{7} + \cdots - 72 ) / 8 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 6 \nu^{15} - 6 \nu^{14} + 151 \nu^{13} - 138 \nu^{12} + 1312 \nu^{11} - 1012 \nu^{10} + 5192 \nu^{9} + \cdots - 16 ) / 16 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 6 \nu^{15} - 6 \nu^{14} - 151 \nu^{13} - 138 \nu^{12} - 1312 \nu^{11} - 1012 \nu^{10} - 5192 \nu^{9} + \cdots - 16 ) / 16 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -11\nu^{15} - 261\nu^{13} - 2042\nu^{11} - 6862\nu^{9} - 10334\nu^{7} - 7410\nu^{5} - 2412\nu^{3} - 252\nu ) / 16 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 7\nu^{14} + 164\nu^{12} + 1250\nu^{10} + 3984\nu^{8} + 5334\nu^{6} + 3024\nu^{4} + 596\nu^{2} + 16 ) / 4 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -15\nu^{14} - 352\nu^{12} - 2692\nu^{10} - 8638\nu^{8} - 11726\nu^{6} - 6808\nu^{4} - 1496\nu^{2} - 76 ) / 8 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 11 \nu^{15} - 6 \nu^{14} + 260 \nu^{13} - 142 \nu^{12} + 2018 \nu^{11} - 1106 \nu^{10} + 6672 \nu^{9} + \cdots - 176 ) / 8 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 11 \nu^{15} - 12 \nu^{14} + 258 \nu^{13} - 282 \nu^{12} + 1971 \nu^{11} - 2164 \nu^{10} + 6311 \nu^{9} + \cdots - 136 ) / 8 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( 11\nu^{14} + 261\nu^{12} + 2040\nu^{10} + 6818\nu^{8} + 10038\nu^{6} + 6666\nu^{4} + 1856\nu^{2} + 172 ) / 4 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 11 \nu^{15} - 6 \nu^{14} - 260 \nu^{13} - 142 \nu^{12} - 2018 \nu^{11} - 1106 \nu^{10} - 6672 \nu^{9} + \cdots - 176 ) / 8 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 16\nu^{15} + 371\nu^{13} + 2768\nu^{11} + 8442\nu^{9} + 10136\nu^{7} + 4278\nu^{5} - 8\nu^{3} - 188\nu ) / 8 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 11 \nu^{15} + 12 \nu^{14} + 258 \nu^{13} + 282 \nu^{12} + 1971 \nu^{11} + 2164 \nu^{10} + 6311 \nu^{9} + \cdots + 136 ) / 8 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 38\nu^{15} + 896\nu^{13} + 6921\nu^{11} + 22674\nu^{9} + 32332\nu^{7} + 20960\nu^{5} + 5842\nu^{3} + 540\nu ) / 8 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( -19\nu^{15} - 451\nu^{13} - 3529\nu^{11} - 11832\nu^{9} - 17582\nu^{7} - 11966\nu^{5} - 3498\nu^{3} - 344\nu ) / 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{13} + \beta_{12} - \beta_{9} - \beta_{4} + \beta_{3} - \beta_{2} + \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2 \beta_{13} + \beta_{11} - 2 \beta_{9} + \beta_{8} + 4 \beta_{7} + \beta_{6} - 2 \beta_{4} - 2 \beta_{3} + \cdots - 12 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( - 2 \beta_{15} - 6 \beta_{14} + 8 \beta_{13} - 6 \beta_{12} - 3 \beta_{11} + 8 \beta_{9} + \cdots - 9 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 13 \beta_{13} - 6 \beta_{11} + 4 \beta_{10} + 13 \beta_{9} - 6 \beta_{8} - 20 \beta_{7} - 6 \beta_{6} + \cdots + 48 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 31 \beta_{15} + 100 \beta_{14} - 94 \beta_{13} + 54 \beta_{12} + 40 \beta_{11} - 94 \beta_{9} + \cdots + 95 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 161 \beta_{13} + 72 \beta_{11} - 67 \beta_{10} - 161 \beta_{9} + 72 \beta_{8} + 218 \beta_{7} + \cdots - 504 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 413 \beta_{15} - 1344 \beta_{14} + 1142 \beta_{13} - 584 \beta_{12} - 497 \beta_{11} + \cdots - 1091 \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( - 990 \beta_{13} - 438 \beta_{11} + 450 \beta_{10} + 990 \beta_{9} - 438 \beta_{8} - 1272 \beta_{7} + \cdots + 2910 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 2610 \beta_{15} + 8496 \beta_{14} - 6971 \beta_{13} + 3407 \beta_{12} + 3054 \beta_{11} + \cdots + 6517 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 24294 \beta_{13} + 10707 \beta_{11} - 11376 \beta_{10} - 24294 \beta_{9} + 10707 \beta_{8} + \cdots - 69716 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 32346 \beta_{15} - 105226 \beta_{14} + 85244 \beta_{13} - 40966 \beta_{12} - 37433 \beta_{11} + \cdots - 79079 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( - 148879 \beta_{13} - 65522 \beta_{11} + 70448 \beta_{10} + 148879 \beta_{9} - 65522 \beta_{8} + \cdots + 423384 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 397897 \beta_{15} + 1293812 \beta_{14} - 1043178 \beta_{13} + 498250 \beta_{12} + 458484 \beta_{11} + \cdots + 965133 \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( 1823791 \beta_{13} + 802232 \beta_{11} - 866233 \beta_{10} - 1823791 \beta_{9} + 802232 \beta_{8} + \cdots - 5168936 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( - 4880807 \beta_{15} - 15866528 \beta_{14} + 12770386 \beta_{13} - 6085904 \beta_{12} + \cdots - 11804009 \beta_1 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/4608\mathbb{Z}\right)^\times\).

\(n\) \(2053\) \(3583\) \(4097\)
\(\chi(n)\) \(\beta_{5}\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1153.1
0.528036i
2.08509i
0.357857i
0.724535i
1.05636i
2.13875i
0.886177i
3.49930i
2.08509i
0.528036i
0.724535i
0.357857i
2.13875i
1.05636i
3.49930i
0.886177i
0 0 0 −2.10100 + 2.10100i 0 2.27411i 0 0 0
1153.2 0 0 0 −2.10100 + 2.10100i 0 2.27411i 0 0 0
1153.3 0 0 0 −1.25928 + 1.25928i 0 3.29066i 0 0 0
1153.4 0 0 0 −1.25928 + 1.25928i 0 3.29066i 0 0 0
1153.5 0 0 0 1.25928 1.25928i 0 3.29066i 0 0 0
1153.6 0 0 0 1.25928 1.25928i 0 3.29066i 0 0 0
1153.7 0 0 0 2.10100 2.10100i 0 2.27411i 0 0 0
1153.8 0 0 0 2.10100 2.10100i 0 2.27411i 0 0 0
3457.1 0 0 0 −2.10100 2.10100i 0 2.27411i 0 0 0
3457.2 0 0 0 −2.10100 2.10100i 0 2.27411i 0 0 0
3457.3 0 0 0 −1.25928 1.25928i 0 3.29066i 0 0 0
3457.4 0 0 0 −1.25928 1.25928i 0 3.29066i 0 0 0
3457.5 0 0 0 1.25928 + 1.25928i 0 3.29066i 0 0 0
3457.6 0 0 0 1.25928 + 1.25928i 0 3.29066i 0 0 0
3457.7 0 0 0 2.10100 + 2.10100i 0 2.27411i 0 0 0
3457.8 0 0 0 2.10100 + 2.10100i 0 2.27411i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1153.8
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
12.b even 2 1 inner
16.e even 4 1 inner
16.f odd 4 1 inner
48.i odd 4 1 inner
48.k even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4608.2.k.bl yes 16
3.b odd 2 1 inner 4608.2.k.bl yes 16
4.b odd 2 1 inner 4608.2.k.bl yes 16
8.b even 2 1 4608.2.k.bk 16
8.d odd 2 1 4608.2.k.bk 16
12.b even 2 1 inner 4608.2.k.bl yes 16
16.e even 4 1 4608.2.k.bk 16
16.e even 4 1 inner 4608.2.k.bl yes 16
16.f odd 4 1 4608.2.k.bk 16
16.f odd 4 1 inner 4608.2.k.bl yes 16
24.f even 2 1 4608.2.k.bk 16
24.h odd 2 1 4608.2.k.bk 16
32.g even 8 1 9216.2.a.br 8
32.g even 8 1 9216.2.a.bs 8
32.h odd 8 1 9216.2.a.br 8
32.h odd 8 1 9216.2.a.bs 8
48.i odd 4 1 4608.2.k.bk 16
48.i odd 4 1 inner 4608.2.k.bl yes 16
48.k even 4 1 4608.2.k.bk 16
48.k even 4 1 inner 4608.2.k.bl yes 16
96.o even 8 1 9216.2.a.br 8
96.o even 8 1 9216.2.a.bs 8
96.p odd 8 1 9216.2.a.br 8
96.p odd 8 1 9216.2.a.bs 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4608.2.k.bk 16 8.b even 2 1
4608.2.k.bk 16 8.d odd 2 1
4608.2.k.bk 16 16.e even 4 1
4608.2.k.bk 16 16.f odd 4 1
4608.2.k.bk 16 24.f even 2 1
4608.2.k.bk 16 24.h odd 2 1
4608.2.k.bk 16 48.i odd 4 1
4608.2.k.bk 16 48.k even 4 1
4608.2.k.bl yes 16 1.a even 1 1 trivial
4608.2.k.bl yes 16 3.b odd 2 1 inner
4608.2.k.bl yes 16 4.b odd 2 1 inner
4608.2.k.bl yes 16 12.b even 2 1 inner
4608.2.k.bl yes 16 16.e even 4 1 inner
4608.2.k.bl yes 16 16.f odd 4 1 inner
4608.2.k.bl yes 16 48.i odd 4 1 inner
4608.2.k.bl yes 16 48.k even 4 1 inner
9216.2.a.br 8 32.g even 8 1
9216.2.a.br 8 32.h odd 8 1
9216.2.a.br 8 96.o even 8 1
9216.2.a.br 8 96.p odd 8 1
9216.2.a.bs 8 32.g even 8 1
9216.2.a.bs 8 32.h odd 8 1
9216.2.a.bs 8 96.o even 8 1
9216.2.a.bs 8 96.p odd 8 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(4608, [\chi])\):

\( T_{5}^{8} + 88T_{5}^{4} + 784 \) Copy content Toggle raw display
\( T_{7}^{4} + 16T_{7}^{2} + 56 \) Copy content Toggle raw display
\( T_{11}^{8} + 192T_{11}^{4} + 1024 \) Copy content Toggle raw display
\( T_{13}^{4} - 4T_{13}^{3} + 8T_{13}^{2} + 8T_{13} + 4 \) Copy content Toggle raw display
\( T_{19}^{8} + 3648T_{19}^{4} + 50176 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} \) Copy content Toggle raw display
$5$ \( (T^{8} + 88 T^{4} + 784)^{2} \) Copy content Toggle raw display
$7$ \( (T^{4} + 16 T^{2} + 56)^{4} \) Copy content Toggle raw display
$11$ \( (T^{8} + 192 T^{4} + 1024)^{2} \) Copy content Toggle raw display
$13$ \( (T^{4} - 4 T^{3} + 8 T^{2} + \cdots + 4)^{4} \) Copy content Toggle raw display
$17$ \( (T^{4} - 40 T^{2} + 112)^{4} \) Copy content Toggle raw display
$19$ \( (T^{8} + 3648 T^{4} + 50176)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} + 32 T^{2} + 128)^{4} \) Copy content Toggle raw display
$29$ \( (T^{8} + 3032 T^{4} + 1882384)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} - 112 T^{2} + 2744)^{4} \) Copy content Toggle raw display
$37$ \( (T^{4} + 4 T^{3} + 8 T^{2} + \cdots + 4)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} + 104 T^{2} + 112)^{4} \) Copy content Toggle raw display
$43$ \( (T^{8} + 15936 T^{4} + 50176)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} - 160 T^{2} + 128)^{4} \) Copy content Toggle raw display
$53$ \( (T^{8} + 3032 T^{4} + 1882384)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} + 12288 T^{4} + 4194304)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} + 4 T^{3} + \cdots + 1156)^{4} \) Copy content Toggle raw display
$67$ \( (T^{8} + 9216 T^{4} + 12845056)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 256 T^{2} + 8192)^{4} \) Copy content Toggle raw display
$73$ \( (T^{4} + 152 T^{2} + 4624)^{4} \) Copy content Toggle raw display
$79$ \( (T^{4} - 16 T^{2} + 56)^{4} \) Copy content Toggle raw display
$83$ \( (T^{8} + 40128 T^{4} + 286557184)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 192 T^{2} + 7168)^{4} \) Copy content Toggle raw display
$97$ \( (T^{2} + 8 T - 112)^{8} \) Copy content Toggle raw display
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