Properties

Label 400.6.n.f
Level $400$
Weight $6$
Character orbit 400.n
Analytic conductor $64.154$
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] = [400,6,Mod(143,400)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(400, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([2, 0, 3]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("400.143");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 400 = 2^{4} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 400.n (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: \(64.1535279252\)
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: \( x^{16} + 12 x^{14} - 100 x^{13} + 524 x^{12} - 400 x^{11} + 3746 x^{10} - 42400 x^{9} + \cdots + 1540307025 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 2^{44}\cdot 5^{16} \)
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.

\(f(q)\) \(=\) \( q - \beta_{4} q^{3} + \beta_{7} q^{7} + (\beta_{14} - 182 \beta_1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{4} q^{3} + \beta_{7} q^{7} + (\beta_{14} - 182 \beta_1) q^{9} + (\beta_{9} - \beta_{8}) q^{11} + (\beta_{15} + 7 \beta_{3}) q^{13} + (\beta_{13} + 10 \beta_{6}) q^{17} + (\beta_{12} + 7 \beta_{11}) q^{19} + (\beta_{10} - 100) q^{21} + ( - 30 \beta_{4} + 18 \beta_{2}) q^{23} + ( - 21 \beta_{7} + 343 \beta_{5}) q^{27} + ( - 9 \beta_{14} + 1314 \beta_1) q^{29} + (2 \beta_{9} + 20 \beta_{8}) q^{31} + ( - 10 \beta_{15} - 109 \beta_{3}) q^{33} + ( - 11 \beta_{13} + 9 \beta_{6}) q^{37} + (28 \beta_{12} + 63 \beta_{11}) q^{39} + ( - 12 \beta_{10} - 7827) q^{41} + ( - 264 \beta_{4} - 125 \beta_{2}) q^{43} + (135 \beta_{7} + 882 \beta_{5}) q^{47} + (24 \beta_{14} - 6807 \beta_1) q^{49} + (31 \beta_{9} + 41 \beta_{8}) q^{51} + (34 \beta_{15} + 16 \beta_{3}) q^{53} + (45 \beta_{13} + 858 \beta_{6}) q^{57} + (12 \beta_{12} + 27 \beta_{11}) q^{59} + (57 \beta_{10} - 17452) q^{61} + ( - 304 \beta_{4} + 222 \beta_{2}) q^{63} + ( - 355 \beta_{7} + 315 \beta_{5}) q^{67} + (12 \beta_{14} - 14550 \beta_1) q^{69} + ( - 56 \beta_{9} - 79 \beta_{8}) q^{71} + ( - 21 \beta_{15} - 1034 \beta_{3}) q^{73} + ( - 65 \beta_{13} + 1159 \beta_{6}) q^{77} + ( - 106 \beta_{12} - 65 \beta_{11}) q^{79} + ( - 121 \beta_{10} - 99449) q^{81} + (2745 \beta_{4} + 297 \beta_{2}) q^{83} + (189 \beta_{7} - 4950 \beta_{5}) q^{87} + ( - 141 \beta_{14} + 8139 \beta_1) q^{89} + (44 \beta_{9} - 146 \beta_{8}) q^{91} + ( - 130 \beta_{15} - 2572 \beta_{3}) q^{93} + ( - 76 \beta_{13} + 2592 \beta_{6}) q^{97} + ( - 76 \beta_{12} - 747 \beta_{11}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q+O(q^{10}) \) Copy content Toggle raw display \( 16 q - 1600 q^{21} - 125232 q^{41} - 279232 q^{61} - 1591184 q^{81}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{16} + 12 x^{14} - 100 x^{13} + 524 x^{12} - 400 x^{11} + 3746 x^{10} - 42400 x^{9} + \cdots + 1540307025 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( - 19\!\cdots\!66 \nu^{15} + \cdots + 11\!\cdots\!00 ) / 68\!\cdots\!00 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( - 65\!\cdots\!41 \nu^{15} + \cdots + 48\!\cdots\!10 ) / 12\!\cdots\!70 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( - 14\!\cdots\!81 \nu^{15} + \cdots + 19\!\cdots\!50 ) / 30\!\cdots\!48 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( - 32\!\cdots\!99 \nu^{15} + \cdots + 10\!\cdots\!90 ) / 50\!\cdots\!80 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 33\!\cdots\!28 \nu^{15} + \cdots - 27\!\cdots\!10 ) / 50\!\cdots\!80 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( - 70\!\cdots\!88 \nu^{15} + \cdots + 29\!\cdots\!00 ) / 92\!\cdots\!44 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( - 11\!\cdots\!12 \nu^{15} + \cdots + 64\!\cdots\!90 ) / 12\!\cdots\!70 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( - 386904741309120 \nu^{15} + \cdots + 36\!\cdots\!50 ) / 36\!\cdots\!21 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 40\!\cdots\!15 \nu^{15} + \cdots + 89\!\cdots\!50 ) / 31\!\cdots\!26 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( - 20\!\cdots\!43 \nu^{15} + \cdots + 17\!\cdots\!50 ) / 70\!\cdots\!95 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( - 611291030700 \nu^{15} - 2136595335104 \nu^{14} - 15144686636675 \nu^{13} + \cdots + 18\!\cdots\!80 ) / 12\!\cdots\!14 \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( ( - 22\!\cdots\!10 \nu^{15} + \cdots + 19\!\cdots\!80 ) / 26\!\cdots\!72 \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( ( - 23\!\cdots\!76 \nu^{15} + \cdots + 10\!\cdots\!00 ) / 24\!\cdots\!80 \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( ( 258301036705135 \nu^{15} + 502109284438689 \nu^{14} + \cdots - 14\!\cdots\!50 ) / 19\!\cdots\!85 \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( ( - 31\!\cdots\!05 \nu^{15} + \cdots - 23\!\cdots\!50 ) / 24\!\cdots\!80 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( 5\beta_{14} + 5\beta_{10} + 5\beta_{7} - 20\beta_{5} + 20\beta_{4} + 16\beta_{3} + 5\beta_{2} + 400\beta_1 ) / 800 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 5 \beta_{15} - 5 \beta_{14} + 5 \beta_{13} - 2 \beta_{12} - \beta_{11} + 5 \beta_{10} - 2 \beta_{9} + \cdots - 1200 ) / 800 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 15 \beta_{15} + 65 \beta_{14} - 15 \beta_{13} - 6 \beta_{12} - 3 \beta_{11} - 155 \beta_{10} + \cdots + 30000 ) / 1600 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( ( - 85 \beta_{15} + 75 \beta_{14} + 40 \beta_{13} + 82 \beta_{12} - 19 \beta_{11} + 35 \beta_{10} + \cdots - 45200 ) / 400 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 425 \beta_{15} - 2265 \beta_{14} + 825 \beta_{13} - 750 \beta_{12} + 4625 \beta_{11} + 1035 \beta_{10} + \cdots - 400000 ) / 1600 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( ( 930 \beta_{15} - 1180 \beta_{14} - 4695 \beta_{13} + 3084 \beta_{12} + 2442 \beta_{11} + \cdots + 2089800 ) / 800 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( ( - 15680 \beta_{15} + 19770 \beta_{14} - 1820 \beta_{13} + 20398 \beta_{12} - 24801 \beta_{11} + \cdots - 140000 ) / 800 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( ( 43665 \beta_{15} - 11550 \beta_{14} + 45165 \beta_{13} - 85436 \beta_{12} + 75162 \beta_{11} + \cdots - 15916200 ) / 400 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( ( 626625 \beta_{15} - 727265 \beta_{14} - 804375 \beta_{13} + 210870 \beta_{12} - 1361565 \beta_{11} + \cdots + 113880000 ) / 1600 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( ( - 2993270 \beta_{15} + 732895 \beta_{14} + 466105 \beta_{13} + 2328890 \beta_{12} - 4222055 \beta_{11} + \cdots + 784759800 ) / 800 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( ( 10531015 \beta_{15} + 17655065 \beta_{14} + 25521485 \beta_{13} - 33137962 \beta_{12} + \cdots - 5115990000 ) / 1600 \) Copy content Toggle raw display
\(\nu^{12}\)\(=\) \( ( 34375605 \beta_{15} - 58090500 \beta_{14} - 59666145 \beta_{13} + 23482272 \beta_{12} + \cdots - 11024940400 ) / 800 \) Copy content Toggle raw display
\(\nu^{13}\)\(=\) \( ( - 312542425 \beta_{15} + 33120030 \beta_{14} - 67194075 \beta_{13} + 349525410 \beta_{12} + \cdots + 179556130000 ) / 800 \) Copy content Toggle raw display
\(\nu^{14}\)\(=\) \( ( 428817930 \beta_{15} + 2506891595 \beta_{14} + 1446084180 \beta_{13} - 1721047274 \beta_{12} + \cdots - 526063147200 ) / 800 \) Copy content Toggle raw display
\(\nu^{15}\)\(=\) \( ( 11299483515 \beta_{15} - 23872102485 \beta_{14} - 7719283515 \beta_{13} - 3370608330 \beta_{12} + \cdots - 8727831850000 ) / 1600 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/400\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(177\) \(351\)
\(\chi(n)\) \(1\) \(-\beta_{1}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
143.1
1.96154 3.80431i
3.18628 2.57957i
−1.96154 + 4.80431i
−3.18628 + 3.57957i
−3.18628 + 1.34350i
−1.96154 + 2.56825i
3.18628 0.343501i
1.96154 1.56825i
3.18628 + 2.57957i
1.96154 + 3.80431i
−3.18628 3.57957i
−1.96154 4.80431i
−1.96154 2.56825i
−3.18628 1.34350i
1.96154 + 1.56825i
3.18628 + 0.343501i
0 −20.4551 + 20.4551i 0 0 0 −7.62217 7.62217i 0 593.825i 0
143.2 0 −20.4551 + 20.4551i 0 0 0 −7.62217 7.62217i 0 593.825i 0
143.3 0 −2.56659 + 2.56659i 0 0 0 99.7091 + 99.7091i 0 229.825i 0
143.4 0 −2.56659 + 2.56659i 0 0 0 99.7091 + 99.7091i 0 229.825i 0
143.5 0 2.56659 2.56659i 0 0 0 −99.7091 99.7091i 0 229.825i 0
143.6 0 2.56659 2.56659i 0 0 0 −99.7091 99.7091i 0 229.825i 0
143.7 0 20.4551 20.4551i 0 0 0 7.62217 + 7.62217i 0 593.825i 0
143.8 0 20.4551 20.4551i 0 0 0 7.62217 + 7.62217i 0 593.825i 0
207.1 0 −20.4551 20.4551i 0 0 0 −7.62217 + 7.62217i 0 593.825i 0
207.2 0 −20.4551 20.4551i 0 0 0 −7.62217 + 7.62217i 0 593.825i 0
207.3 0 −2.56659 2.56659i 0 0 0 99.7091 99.7091i 0 229.825i 0
207.4 0 −2.56659 2.56659i 0 0 0 99.7091 99.7091i 0 229.825i 0
207.5 0 2.56659 + 2.56659i 0 0 0 −99.7091 + 99.7091i 0 229.825i 0
207.6 0 2.56659 + 2.56659i 0 0 0 −99.7091 + 99.7091i 0 229.825i 0
207.7 0 20.4551 + 20.4551i 0 0 0 7.62217 7.62217i 0 593.825i 0
207.8 0 20.4551 + 20.4551i 0 0 0 7.62217 7.62217i 0 593.825i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 143.8
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
5.c odd 4 2 inner
20.d odd 2 1 inner
20.e even 4 2 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 400.6.n.f 16
4.b odd 2 1 inner 400.6.n.f 16
5.b even 2 1 inner 400.6.n.f 16
5.c odd 4 2 inner 400.6.n.f 16
20.d odd 2 1 inner 400.6.n.f 16
20.e even 4 2 inner 400.6.n.f 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
400.6.n.f 16 1.a even 1 1 trivial
400.6.n.f 16 4.b odd 2 1 inner
400.6.n.f 16 5.b even 2 1 inner
400.6.n.f 16 5.c odd 4 2 inner
400.6.n.f 16 20.d odd 2 1 inner
400.6.n.f 16 20.e even 4 2 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{8} + 700450T_{3}^{4} + 121550625 \) acting on \(S_{6}^{\mathrm{new}}(400, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( (T^{8} + 700450 T^{4} + 121550625)^{2} \) Copy content Toggle raw display
$5$ \( T^{16} \) Copy content Toggle raw display
$7$ \( (T^{8} + \cdots + 5337948160000)^{2} \) Copy content Toggle raw display
$11$ \( (T^{4} + 639750 T^{2} + 78470015625)^{4} \) Copy content Toggle raw display
$13$ \( (T^{8} + \cdots + 31\!\cdots\!00)^{2} \) Copy content Toggle raw display
$17$ \( (T^{8} + \cdots + 11\!\cdots\!25)^{2} \) Copy content Toggle raw display
$19$ \( (T^{4} + \cdots + 9356716265625)^{4} \) Copy content Toggle raw display
$23$ \( (T^{8} + \cdots + 10\!\cdots\!00)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + \cdots + 144264217088016)^{4} \) Copy content Toggle raw display
$31$ \( (T^{4} + \cdots + 11\!\cdots\!00)^{4} \) Copy content Toggle raw display
$37$ \( (T^{8} + \cdots + 14\!\cdots\!00)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 15654 T + 36839529)^{8} \) Copy content Toggle raw display
$43$ \( (T^{8} + \cdots + 50\!\cdots\!00)^{2} \) Copy content Toggle raw display
$47$ \( (T^{8} + \cdots + 81\!\cdots\!00)^{2} \) Copy content Toggle raw display
$53$ \( (T^{8} + \cdots + 11\!\cdots\!00)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + \cdots + 66267740250000)^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} + 34904 T - 246458096)^{8} \) Copy content Toggle raw display
$67$ \( (T^{8} + \cdots + 16\!\cdots\!25)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + \cdots + 936635420250000)^{4} \) Copy content Toggle raw display
$73$ \( (T^{8} + \cdots + 96\!\cdots\!25)^{2} \) Copy content Toggle raw display
$79$ \( (T^{4} + \cdots + 11\!\cdots\!00)^{4} \) Copy content Toggle raw display
$83$ \( (T^{8} + \cdots + 48\!\cdots\!25)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + \cdots + 10\!\cdots\!41)^{4} \) Copy content Toggle raw display
$97$ \( (T^{8} + \cdots + 92\!\cdots\!00)^{2} \) Copy content Toggle raw display
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