Properties

Label 112.2.j.d
Level $112$
Weight $2$
Character orbit 112.j
Analytic conductor $0.894$
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] = [112,2,Mod(27,112)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(112, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([2, 1, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("112.27");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 112 = 2^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 112.j (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: \(0.894324502638\)
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: \( x^{16} - 4x^{14} + 6x^{12} - 12x^{10} + 33x^{8} - 48x^{6} + 96x^{4} - 256x^{2} + 256 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{6}\cdot 3^{2} \)
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.

\(f(q)\) \(=\) \( q - \beta_{9} q^{2} + \beta_{15} q^{3} + (\beta_{9} - \beta_{7} - \beta_{6} - 1) q^{4} + \beta_{4} q^{5} + ( - \beta_{15} + \beta_{13} + \cdots + \beta_{2}) q^{6}+ \cdots + (2 \beta_{14} - \beta_{12} + \cdots + \beta_{3}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{9} q^{2} + \beta_{15} q^{3} + (\beta_{9} - \beta_{7} - \beta_{6} - 1) q^{4} + \beta_{4} q^{5} + ( - \beta_{15} + \beta_{13} + \cdots + \beta_{2}) q^{6}+ \cdots + ( - 4 \beta_{14} + 2 \beta_{12} + \cdots + 2) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 4 q^{2} - 8 q^{4} + 8 q^{7} - 16 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 4 q^{2} - 8 q^{4} + 8 q^{7} - 16 q^{8} - 32 q^{11} + 20 q^{14} + 16 q^{16} - 12 q^{18} + 16 q^{21} + 16 q^{22} - 32 q^{28} + 48 q^{30} - 24 q^{32} + 8 q^{35} - 16 q^{36} + 16 q^{39} - 40 q^{42} + 16 q^{44} + 8 q^{46} - 16 q^{49} - 12 q^{50} - 32 q^{51} - 16 q^{56} + 48 q^{58} + 72 q^{60} + 64 q^{64} - 80 q^{65} - 48 q^{67} - 40 q^{70} + 32 q^{71} + 16 q^{72} + 16 q^{74} - 16 q^{77} - 64 q^{78} + 32 q^{81} + 56 q^{84} + 64 q^{85} - 24 q^{86} + 48 q^{88} + 8 q^{91} - 40 q^{92} - 64 q^{93} + 36 q^{98} + 64 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 4x^{14} + 6x^{12} - 12x^{10} + 33x^{8} - 48x^{6} + 96x^{4} - 256x^{2} + 256 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( \nu^{15} + 6\nu^{11} + 12\nu^{9} - 47\nu^{7} + 20\nu^{5} + 48\nu^{3} - 64\nu ) / 256 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -13\nu^{15} + 48\nu^{13} - 14\nu^{11} + 4\nu^{9} - 477\nu^{7} + 428\nu^{5} + 656\nu^{3} + 3136\nu ) / 2560 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 17\nu^{14} - 72\nu^{12} + 6\nu^{10} - 36\nu^{8} + 513\nu^{6} - 1332\nu^{4} + 3696\nu^{2} - 4544 ) / 3840 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -13\nu^{15} + 48\nu^{13} - 14\nu^{11} + 4\nu^{9} - 477\nu^{7} + 428\nu^{5} - 1904\nu^{3} + 5696\nu ) / 2560 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -29\nu^{15} - 16\nu^{13} + 18\nu^{11} + 452\nu^{9} + 19\nu^{7} + 44\nu^{5} - 2032\nu^{3} + 1088\nu ) / 2560 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( 43\nu^{14} - 48\nu^{12} - 126\nu^{10} + 36\nu^{8} + 27\nu^{6} + 492\nu^{4} + 144\nu^{2} - 1216 ) / 3840 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 4\nu^{14} - 9\nu^{12} + 12\nu^{10} - 42\nu^{8} + 36\nu^{6} - 69\nu^{4} + 252\nu^{2} - 448 ) / 240 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( -53\nu^{15} + 88\nu^{13} - 94\nu^{11} + 404\nu^{9} - 997\nu^{7} + 948\nu^{5} - 4144\nu^{3} + 3776\nu ) / 2560 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( -71\nu^{14} + 216\nu^{12} - 138\nu^{10} + 828\nu^{8} - 2199\nu^{6} + 1356\nu^{4} - 5328\nu^{2} + 14912 ) / 3840 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( -37\nu^{14} + 72\nu^{12} - 126\nu^{10} + 276\nu^{8} - 693\nu^{6} + 1092\nu^{4} - 2256\nu^{2} + 3904 ) / 1920 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 67\nu^{15} - 72\nu^{13} - 14\nu^{11} - 396\nu^{9} + 403\nu^{7} - 652\nu^{5} + 2896\nu^{3} - 1344\nu ) / 2560 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( 43\nu^{14} - 108\nu^{12} + 114\nu^{10} - 324\nu^{8} + 747\nu^{6} - 528\nu^{4} + 3024\nu^{2} - 6016 ) / 1920 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 15\nu^{15} - 32\nu^{13} + 26\nu^{11} - 140\nu^{9} + 319\nu^{7} - 116\nu^{5} + 1040\nu^{3} - 2240\nu ) / 512 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( -149\nu^{14} + 264\nu^{12} - 222\nu^{10} + 1332\nu^{8} - 2181\nu^{6} + 1764\nu^{4} - 11952\nu^{2} + 18368 ) / 3840 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( -127\nu^{15} + 312\nu^{13} - 346\nu^{11} + 1116\nu^{9} - 2383\nu^{7} + 2252\nu^{5} - 8656\nu^{3} + 17984\nu ) / 2560 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{11} - \beta_{8} + 2\beta_{5} + 2\beta_{4} + 2\beta_{2} - \beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -\beta_{14} + \beta_{12} + \beta_{10} + \beta_{9} - \beta_{7} - \beta_{6} + \beta_{3} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( \beta_{11} - \beta_{8} + 2\beta_{5} - 4\beta_{4} + 8\beta_{2} - \beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( -\beta_{14} + 5\beta_{12} + 3\beta_{10} + \beta_{9} - 3\beta_{7} - \beta_{6} - 3\beta_{3} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 6\beta_{15} + 18\beta_{13} + \beta_{11} + 5\beta_{8} + 8\beta_{5} + 8\beta_{4} + 8\beta_{2} + 5\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( -\beta_{14} + \beta_{12} - 3\beta_{10} - 3\beta_{9} - 9\beta_{7} - \beta_{6} - 3\beta_{3} + 5 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( 12\beta_{15} + 12\beta_{13} - 11\beta_{11} - 25\beta_{8} + 2\beta_{5} + 8\beta_{4} - 16\beta_{2} - \beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 3\beta_{14} + 17\beta_{12} - 5\beta_{10} + 9\beta_{9} - 15\beta_{7} + 3\beta_{6} + 5\beta_{3} - 7 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 18\beta_{15} + 6\beta_{13} + \beta_{11} - 31\beta_{8} + 20\beta_{5} - 16\beta_{4} - 16\beta_{2} + 29\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( 3\beta_{14} + 37\beta_{12} - 11\beta_{10} + 21\beta_{9} - 13\beta_{7} - 21\beta_{6} - 19\beta_{3} - 11 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( -95\beta_{11} - 97\beta_{8} - 22\beta_{5} + 92\beta_{4} - 64\beta_{2} + 95\beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( -49\beta_{14} - 43\beta_{12} - 53\beta_{10} + 25\beta_{9} - 67\beta_{7} - 17\beta_{6} - 43\beta_{3} - 71 ) / 2 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( 126 \beta_{15} - 6 \beta_{13} - 215 \beta_{11} - 331 \beta_{8} - 256 \beta_{5} + 8 \beta_{4} + \cdots + 173 \beta_1 ) / 6 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( -33\beta_{14} - 15\beta_{12} - 123\beta_{10} + 69\beta_{9} - 57\beta_{7} + 111\beta_{6} - 75\beta_{3} - 67 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 228 \beta_{15} + 132 \beta_{13} + 37 \beta_{11} - 337 \beta_{8} - 142 \beta_{5} + 176 \beta_{4} + \cdots + 455 \beta_1 ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/112\mathbb{Z}\right)^\times\).

\(n\) \(15\) \(17\) \(85\)
\(\chi(n)\) \(-1\) \(-1\) \(\beta_{12}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
27.1
−1.40927 0.118126i
1.40927 + 0.118126i
−0.944649 1.05244i
0.944649 + 1.05244i
−1.36166 0.381939i
1.36166 + 0.381939i
0.517174 1.31626i
−0.517174 + 1.31626i
−1.40927 + 0.118126i
1.40927 0.118126i
−0.944649 + 1.05244i
0.944649 1.05244i
−1.36166 + 0.381939i
1.36166 0.381939i
0.517174 + 1.31626i
−0.517174 1.31626i
−1.41298 + 0.0591148i −2.23450 + 2.23450i 1.99301 0.167056i −0.584038 + 0.584038i 3.02521 3.28940i −1.82596 1.91465i −2.80620 + 0.353863i 6.98602i 0.790708 0.859758i
27.2 −1.41298 + 0.0591148i 2.23450 2.23450i 1.99301 0.167056i 0.584038 0.584038i −3.02521 + 3.28940i −1.82596 + 1.91465i −2.80620 + 0.353863i 6.98602i −0.790708 + 0.859758i
27.3 −0.576222 1.29150i −1.28999 + 1.28999i −1.33594 + 1.48838i −0.599312 + 0.599312i 2.40933 + 0.922696i −0.152445 + 2.64136i 2.69204 + 0.867721i 0.328129i 1.11935 + 0.428674i
27.4 −0.576222 1.29150i 1.28999 1.28999i −1.33594 + 1.48838i 0.599312 0.599312i −2.40933 0.922696i −0.152445 2.64136i 2.69204 + 0.867721i 0.328129i −1.11935 0.428674i
27.5 0.192769 + 1.40101i −1.03649 + 1.03649i −1.92568 + 0.540143i −1.68683 + 1.68683i −1.65195 1.25234i 1.38554 2.25395i −1.12796 2.59378i 0.851361i −2.68844 2.03810i
27.6 0.192769 + 1.40101i 1.03649 1.03649i −1.92568 + 0.540143i 1.68683 1.68683i 1.65195 + 1.25234i 1.38554 + 2.25395i −1.12796 2.59378i 0.851361i 2.68844 + 2.03810i
27.7 0.796431 1.16863i −1.50619 + 1.50619i −0.731395 1.86147i 2.54054 2.54054i 0.560603 + 2.95975i 2.59286 0.526369i −2.75787 0.627801i 1.53721i −0.945586 4.99231i
27.8 0.796431 1.16863i 1.50619 1.50619i −0.731395 1.86147i −2.54054 + 2.54054i −0.560603 2.95975i 2.59286 + 0.526369i −2.75787 0.627801i 1.53721i 0.945586 + 4.99231i
83.1 −1.41298 0.0591148i −2.23450 2.23450i 1.99301 + 0.167056i −0.584038 0.584038i 3.02521 + 3.28940i −1.82596 + 1.91465i −2.80620 0.353863i 6.98602i 0.790708 + 0.859758i
83.2 −1.41298 0.0591148i 2.23450 + 2.23450i 1.99301 + 0.167056i 0.584038 + 0.584038i −3.02521 3.28940i −1.82596 1.91465i −2.80620 0.353863i 6.98602i −0.790708 0.859758i
83.3 −0.576222 + 1.29150i −1.28999 1.28999i −1.33594 1.48838i −0.599312 0.599312i 2.40933 0.922696i −0.152445 2.64136i 2.69204 0.867721i 0.328129i 1.11935 0.428674i
83.4 −0.576222 + 1.29150i 1.28999 + 1.28999i −1.33594 1.48838i 0.599312 + 0.599312i −2.40933 + 0.922696i −0.152445 + 2.64136i 2.69204 0.867721i 0.328129i −1.11935 + 0.428674i
83.5 0.192769 1.40101i −1.03649 1.03649i −1.92568 0.540143i −1.68683 1.68683i −1.65195 + 1.25234i 1.38554 + 2.25395i −1.12796 + 2.59378i 0.851361i −2.68844 + 2.03810i
83.6 0.192769 1.40101i 1.03649 + 1.03649i −1.92568 0.540143i 1.68683 + 1.68683i 1.65195 1.25234i 1.38554 2.25395i −1.12796 + 2.59378i 0.851361i 2.68844 2.03810i
83.7 0.796431 + 1.16863i −1.50619 1.50619i −0.731395 + 1.86147i 2.54054 + 2.54054i 0.560603 2.95975i 2.59286 + 0.526369i −2.75787 + 0.627801i 1.53721i −0.945586 + 4.99231i
83.8 0.796431 + 1.16863i 1.50619 + 1.50619i −0.731395 + 1.86147i −2.54054 2.54054i −0.560603 + 2.95975i 2.59286 0.526369i −2.75787 + 0.627801i 1.53721i 0.945586 4.99231i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 27.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 inner
16.f odd 4 1 inner
112.j even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 112.2.j.d 16
4.b odd 2 1 448.2.j.d 16
7.b odd 2 1 inner 112.2.j.d 16
7.c even 3 2 784.2.w.e 32
7.d odd 6 2 784.2.w.e 32
8.b even 2 1 896.2.j.h 16
8.d odd 2 1 896.2.j.g 16
16.e even 4 1 448.2.j.d 16
16.e even 4 1 896.2.j.g 16
16.f odd 4 1 inner 112.2.j.d 16
16.f odd 4 1 896.2.j.h 16
28.d even 2 1 448.2.j.d 16
56.e even 2 1 896.2.j.g 16
56.h odd 2 1 896.2.j.h 16
112.j even 4 1 inner 112.2.j.d 16
112.j even 4 1 896.2.j.h 16
112.l odd 4 1 448.2.j.d 16
112.l odd 4 1 896.2.j.g 16
112.u odd 12 2 784.2.w.e 32
112.v even 12 2 784.2.w.e 32
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
112.2.j.d 16 1.a even 1 1 trivial
112.2.j.d 16 7.b odd 2 1 inner
112.2.j.d 16 16.f odd 4 1 inner
112.2.j.d 16 112.j even 4 1 inner
448.2.j.d 16 4.b odd 2 1
448.2.j.d 16 16.e even 4 1
448.2.j.d 16 28.d even 2 1
448.2.j.d 16 112.l odd 4 1
784.2.w.e 32 7.c even 3 2
784.2.w.e 32 7.d odd 6 2
784.2.w.e 32 112.u odd 12 2
784.2.w.e 32 112.v even 12 2
896.2.j.g 16 8.d odd 2 1
896.2.j.g 16 16.e even 4 1
896.2.j.g 16 56.e even 2 1
896.2.j.g 16 112.l odd 4 1
896.2.j.h 16 8.b even 2 1
896.2.j.h 16 16.f odd 4 1
896.2.j.h 16 56.h odd 2 1
896.2.j.h 16 112.j even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(112, [\chi])\):

\( T_{3}^{16} + 136T_{3}^{12} + 3992T_{3}^{8} + 38368T_{3}^{4} + 104976 \) Copy content Toggle raw display
\( T_{5}^{16} + 200T_{5}^{12} + 5592T_{5}^{8} + 5344T_{5}^{4} + 1296 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{8} + 2 T^{7} + 4 T^{6} + \cdots + 16)^{2} \) Copy content Toggle raw display
$3$ \( T^{16} + 136 T^{12} + \cdots + 104976 \) Copy content Toggle raw display
$5$ \( T^{16} + 200 T^{12} + \cdots + 1296 \) Copy content Toggle raw display
$7$ \( (T^{8} - 4 T^{7} + \cdots + 2401)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} + 4 T + 8)^{8} \) Copy content Toggle raw display
$13$ \( T^{16} + 2440 T^{12} + \cdots + 18974736 \) Copy content Toggle raw display
$17$ \( (T^{8} + 88 T^{6} + \cdots + 14400)^{2} \) Copy content Toggle raw display
$19$ \( T^{16} + 968 T^{12} + \cdots + 1296 \) Copy content Toggle raw display
$23$ \( (T^{4} - 16 T^{2} - 16 T + 4)^{4} \) Copy content Toggle raw display
$29$ \( (T^{8} + 128 T^{5} + \cdots + 1296)^{2} \) Copy content Toggle raw display
$31$ \( (T^{8} - 120 T^{6} + \cdots + 166464)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} - 64 T^{5} + \cdots + 400)^{2} \) Copy content Toggle raw display
$41$ \( (T^{8} - 216 T^{6} + \cdots + 419904)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} + 64 T^{5} + \cdots + 256)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} - 312 T^{6} + \cdots + 3968064)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} - 128 T^{5} + \cdots + 1948816)^{2} \) Copy content Toggle raw display
$59$ \( T^{16} + \cdots + 506250000 \) Copy content Toggle raw display
$61$ \( T^{16} + \cdots + 56528804622096 \) Copy content Toggle raw display
$67$ \( (T^{8} + 24 T^{7} + \cdots + 256)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} - 8 T^{3} + \cdots - 1728)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} - 96 T^{6} + \cdots + 9216)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} + 384 T^{6} + \cdots + 36192256)^{2} \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 57524882954256 \) Copy content Toggle raw display
$89$ \( (T^{8} - 512 T^{6} + \cdots + 5308416)^{2} \) Copy content Toggle raw display
$97$ \( (T^{8} + 312 T^{6} + \cdots + 1742400)^{2} \) Copy content Toggle raw display
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