Properties

Label 4000.2.c.h
Level $4000$
Weight $2$
Character orbit 4000.c
Analytic conductor $31.940$
Analytic rank $0$
Dimension $16$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [4000,2,Mod(1249,4000)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4000, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("4000.1249");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4000 = 2^{5} \cdot 5^{3} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4000.c (of order \(2\), degree \(1\), 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: \(31.9401608085\)
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: \( x^{16} - 4 x^{15} - 10 x^{14} + 40 x^{13} + 147 x^{12} - 378 x^{11} - 845 x^{10} + 1620 x^{9} + \cdots + 10324 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{8} \)
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.

\(f(q)\) \(=\) \( q - \beta_{3} q^{3} - \beta_{15} q^{7} + (\beta_{4} - 2) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{3} q^{3} - \beta_{15} q^{7} + (\beta_{4} - 2) q^{9} + (\beta_{13} + \beta_{9} - \beta_{2}) q^{11} + (\beta_{8} - \beta_{5}) q^{13} + (\beta_{5} + \beta_1) q^{17} + ( - 2 \beta_{9} + \beta_{6} + \beta_{2}) q^{19} + ( - \beta_{12} + \beta_{7} - \beta_{4} + 3) q^{21} + (\beta_{15} + \beta_{11} + \beta_{10}) q^{23} + (2 \beta_{11} + \beta_{10} + 3 \beta_{3}) q^{27} + ( - \beta_{12} + \beta_{7} - 2) q^{29} - \beta_{6} q^{31} + (\beta_{14} - 3 \beta_{8} + \cdots + \beta_1) q^{33}+ \cdots + (\beta_{13} - 7 \beta_{9} + \cdots - \beta_{2}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q - 36 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 36 q^{9} + 36 q^{21} - 48 q^{29} + 36 q^{41} - 52 q^{49} + 44 q^{61} - 64 q^{69} + 120 q^{81} - 20 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} - 4 x^{15} - 10 x^{14} + 40 x^{13} + 147 x^{12} - 378 x^{11} - 845 x^{10} + 1620 x^{9} + \cdots + 10324 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 45\!\cdots\!09 \nu^{15} + \cdots - 24\!\cdots\!74 ) / 40\!\cdots\!50 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 12\!\cdots\!91 \nu^{15} + \cdots + 77\!\cdots\!50 ) / 53\!\cdots\!30 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 13\!\cdots\!39 \nu^{15} + \cdots - 99\!\cdots\!58 ) / 24\!\cdots\!65 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 24\!\cdots\!50 \nu^{15} + \cdots + 19\!\cdots\!85 ) / 36\!\cdots\!65 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 56\!\cdots\!17 \nu^{15} + \cdots + 22\!\cdots\!46 ) / 80\!\cdots\!30 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 28\!\cdots\!48 \nu^{15} + \cdots - 31\!\cdots\!04 ) / 26\!\cdots\!15 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 48\!\cdots\!55 \nu^{15} + \cdots + 70\!\cdots\!90 ) / 38\!\cdots\!70 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 4530761383 \nu^{15} - 27061517780 \nu^{14} + 673052840 \nu^{13} + 219162261900 \nu^{12} + \cdots + 36471622088842 ) / 31993673048150 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( - 41\!\cdots\!21 \nu^{15} + \cdots - 30\!\cdots\!46 ) / 26\!\cdots\!15 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 37\!\cdots\!36 \nu^{15} + \cdots - 94\!\cdots\!32 ) / 24\!\cdots\!65 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( 16\!\cdots\!81 \nu^{15} + \cdots + 96\!\cdots\!62 ) / 48\!\cdots\!30 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 33\!\cdots\!85 \nu^{15} + \cdots - 52\!\cdots\!70 ) / 72\!\cdots\!30 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( 13\!\cdots\!93 \nu^{15} + \cdots + 95\!\cdots\!01 ) / 26\!\cdots\!15 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 45\!\cdots\!53 \nu^{15} + \cdots + 40\!\cdots\!26 ) / 80\!\cdots\!30 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( 30\!\cdots\!23 \nu^{15} + \cdots + 95\!\cdots\!26 ) / 48\!\cdots\!30 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{9} - \beta_{7} + \beta_{6} - \beta_{3} + \beta_{2} ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{13} + \beta_{10} + 2\beta_{8} - 3\beta_{7} + \beta_{6} - 2\beta_{5} + \beta_{2} - 4\beta _1 + 3 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 3 \beta_{14} + 2 \beta_{13} - \beta_{11} + 4 \beta_{10} + 2 \beta_{9} - 6 \beta_{8} - 8 \beta_{7} + \cdots + 4 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( 2 \beta_{15} + 8 \beta_{14} + 2 \beta_{13} + 2 \beta_{12} + 24 \beta_{10} - 9 \beta_{9} - 8 \beta_{8} + \cdots - 22 ) / 2 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 3 \beta_{15} + 30 \beta_{14} + 2 \beta_{13} + 25 \beta_{12} + 3 \beta_{11} + 67 \beta_{10} + 19 \beta_{9} + \cdots + 13 ) / 2 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( - 10 \beta_{15} + 94 \beta_{14} - 51 \beta_{13} + 90 \beta_{12} - 4 \beta_{11} + 132 \beta_{10} + \cdots - 240 ) / 2 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 83 \beta_{15} + 70 \beta_{14} - 200 \beta_{13} + 385 \beta_{12} + 116 \beta_{11} + 290 \beta_{10} + \cdots - 678 ) / 2 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( - 698 \beta_{15} + 160 \beta_{14} - 681 \beta_{13} + 1242 \beta_{12} + 290 \beta_{11} - 787 \beta_{10} + \cdots - 1963 ) / 2 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( - 2952 \beta_{15} - 1371 \beta_{14} - 2480 \beta_{13} + 2817 \beta_{12} + 1861 \beta_{11} - 5017 \beta_{10} + \cdots - 9942 ) / 2 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 11816 \beta_{15} - 7636 \beta_{14} - 4614 \beta_{13} + 6245 \beta_{12} + 7584 \beta_{11} + \cdots - 12633 ) / 2 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( - 42431 \beta_{15} - 26191 \beta_{14} - 9882 \beta_{13} - 2475 \beta_{12} + 23489 \beta_{11} + \cdots - 32285 ) / 2 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( - 120806 \beta_{15} - 107668 \beta_{14} + 3095 \beta_{13} - 72761 \beta_{12} + 83294 \beta_{11} + \cdots + 49902 ) / 2 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 315749 \beta_{15} - 250744 \beta_{14} + 126942 \beta_{13} - 426270 \beta_{12} + 182242 \beta_{11} + \cdots + 704120 ) / 2 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( - 513110 \beta_{15} - 545228 \beta_{14} + 598989 \beta_{13} - 1953441 \beta_{12} + 324840 \beta_{11} + \cdots + 2738175 ) / 2 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 332066 \beta_{15} - 365277 \beta_{14} + 2659498 \beta_{13} - 6794375 \beta_{12} - 116159 \beta_{11} + \cdots + 12385763 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/4000\mathbb{Z}\right)^\times\).

\(n\) \(1377\) \(2501\) \(2751\)
\(\chi(n)\) \(-1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1249.1
1.49589 1.66741i
−2.11393 1.66741i
3.07429 1.36342i
−1.45625 1.36342i
2.74786 0.697553i
−1.12983 0.697553i
0.466692 0.352515i
−1.08473 0.352515i
0.466692 + 0.352515i
−1.08473 + 0.352515i
2.74786 + 0.697553i
−1.12983 + 0.697553i
3.07429 + 1.36342i
−1.45625 + 1.36342i
1.49589 + 1.66741i
−2.11393 + 1.66741i
0 3.33481i 0 0 0 1.78602i 0 −8.12097 0
1249.2 0 3.33481i 0 0 0 1.78602i 0 −8.12097 0
1249.3 0 2.72684i 0 0 0 2.84526i 0 −4.43565 0
1249.4 0 2.72684i 0 0 0 2.84526i 0 −4.43565 0
1249.5 0 1.39511i 0 0 0 4.73991i 0 1.05368 0
1249.6 0 1.39511i 0 0 0 4.73991i 0 1.05368 0
1249.7 0 0.705030i 0 0 0 2.69218i 0 2.50293 0
1249.8 0 0.705030i 0 0 0 2.69218i 0 2.50293 0
1249.9 0 0.705030i 0 0 0 2.69218i 0 2.50293 0
1249.10 0 0.705030i 0 0 0 2.69218i 0 2.50293 0
1249.11 0 1.39511i 0 0 0 4.73991i 0 1.05368 0
1249.12 0 1.39511i 0 0 0 4.73991i 0 1.05368 0
1249.13 0 2.72684i 0 0 0 2.84526i 0 −4.43565 0
1249.14 0 2.72684i 0 0 0 2.84526i 0 −4.43565 0
1249.15 0 3.33481i 0 0 0 1.78602i 0 −8.12097 0
1249.16 0 3.33481i 0 0 0 1.78602i 0 −8.12097 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1249.16
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4000.2.c.h 16
4.b odd 2 1 inner 4000.2.c.h 16
5.b even 2 1 inner 4000.2.c.h 16
5.c odd 4 1 4000.2.a.q 8
5.c odd 4 1 4000.2.a.r yes 8
20.d odd 2 1 inner 4000.2.c.h 16
20.e even 4 1 4000.2.a.q 8
20.e even 4 1 4000.2.a.r yes 8
40.i odd 4 1 8000.2.a.ca 8
40.i odd 4 1 8000.2.a.cb 8
40.k even 4 1 8000.2.a.ca 8
40.k even 4 1 8000.2.a.cb 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
4000.2.a.q 8 5.c odd 4 1
4000.2.a.q 8 20.e even 4 1
4000.2.a.r yes 8 5.c odd 4 1
4000.2.a.r yes 8 20.e even 4 1
4000.2.c.h 16 1.a even 1 1 trivial
4000.2.c.h 16 4.b odd 2 1 inner
4000.2.c.h 16 5.b even 2 1 inner
4000.2.c.h 16 20.d odd 2 1 inner
8000.2.a.ca 8 40.i odd 4 1
8000.2.a.ca 8 40.k even 4 1
8000.2.a.cb 8 40.i odd 4 1
8000.2.a.cb 8 40.k even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(4000, [\chi])\):

\( T_{3}^{8} + 21T_{3}^{6} + 129T_{3}^{4} + 220T_{3}^{2} + 80 \) Copy content Toggle raw display
\( T_{7}^{8} + 41T_{7}^{6} + 524T_{7}^{4} + 2605T_{7}^{2} + 4205 \) Copy content Toggle raw display
\( T_{11}^{8} - 49T_{11}^{6} + 684T_{11}^{4} - 2445T_{11}^{2} + 5 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{8} + 21 T^{6} + \cdots + 80)^{2} \) Copy content Toggle raw display
$5$ \( T^{16} \) Copy content Toggle raw display
$7$ \( (T^{8} + 41 T^{6} + \cdots + 4205)^{2} \) Copy content Toggle raw display
$11$ \( (T^{8} - 49 T^{6} + 684 T^{4} + \cdots + 5)^{2} \) Copy content Toggle raw display
$13$ \( (T^{8} + 70 T^{6} + \cdots + 22201)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + 66 T^{6} + \cdots + 30976)^{2} \) Copy content Toggle raw display
$19$ \( (T^{8} - 80 T^{6} + \cdots + 3125)^{2} \) Copy content Toggle raw display
$23$ \( (T^{8} + 91 T^{6} + \cdots + 20480)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 12 T^{3} + \cdots + 20)^{4} \) Copy content Toggle raw display
$31$ \( (T^{8} - 29 T^{6} + \cdots + 80)^{2} \) Copy content Toggle raw display
$37$ \( (T^{8} + 143 T^{6} + \cdots + 102400)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} - 9 T^{3} - 6 T^{2} + \cdots + 95)^{4} \) Copy content Toggle raw display
$43$ \( (T^{8} + 234 T^{6} + \cdots + 3872000)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + 176 T^{6} + \cdots + 17405)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + 374 T^{6} + \cdots + 6255001)^{2} \) Copy content Toggle raw display
$59$ \( (T^{8} - 196 T^{6} + \cdots + 85805)^{2} \) Copy content Toggle raw display
$61$ \( (T^{4} - 11 T^{3} + \cdots - 2620)^{4} \) Copy content Toggle raw display
$67$ \( (T^{8} + 81 T^{6} + \cdots + 80)^{2} \) Copy content Toggle raw display
$71$ \( (T^{8} - 694 T^{6} + \cdots + 849686480)^{2} \) Copy content Toggle raw display
$73$ \( (T^{8} + 379 T^{6} + \cdots + 17007376)^{2} \) Copy content Toggle raw display
$79$ \( (T^{8} - 546 T^{6} + \cdots + 3494480)^{2} \) Copy content Toggle raw display
$83$ \( (T^{8} + 576 T^{6} + \cdots + 8192000)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 5 T^{3} + \cdots - 2000)^{4} \) Copy content Toggle raw display
$97$ \( (T^{8} + 491 T^{6} + \cdots + 59536)^{2} \) Copy content Toggle raw display
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