Properties

Label 289.3.e.d
Level $289$
Weight $3$
Character orbit 289.e
Analytic conductor $7.875$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [289,3,Mod(40,289)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(289, base_ring=CyclotomicField(16))
 
chi = DirichletCharacter(H, H._module([15]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("289.40");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 289 = 17^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 289.e (of order \(16\), degree \(8\), 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: \(7.87467964001\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\Q(\zeta_{16})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 17)
Sato-Tate group: $\mathrm{SU}(2)[C_{16}]$

$q$-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 primitive root of unity \(\zeta_{16}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \zeta_{16}^{7} + \zeta_{16}^{6} + \cdots - 1) q^{2}+ \cdots + (4 \zeta_{16}^{7} + 2 \zeta_{16}^{6} + \cdots + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \zeta_{16}^{7} + \zeta_{16}^{6} + \cdots - 1) q^{2}+ \cdots + ( - 28 \zeta_{16}^{7} + 34 \zeta_{16}^{6} + \cdots - 27) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 8 q^{2} + 8 q^{3} + 32 q^{6} + 8 q^{7} - 40 q^{8} + 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 8 q^{2} + 8 q^{3} + 32 q^{6} + 8 q^{7} - 40 q^{8} + 8 q^{9} + 32 q^{10} - 24 q^{11} - 8 q^{12} - 16 q^{13} + 24 q^{14} + 56 q^{18} - 48 q^{19} - 80 q^{20} + 64 q^{21} + 48 q^{22} + 24 q^{23} - 120 q^{24} - 32 q^{25} - 48 q^{26} + 80 q^{27} - 120 q^{28} + 16 q^{29} - 16 q^{30} - 40 q^{31} - 88 q^{32} - 160 q^{35} - 24 q^{36} + 16 q^{37} + 120 q^{38} + 160 q^{39} + 48 q^{40} - 40 q^{41} + 128 q^{42} - 112 q^{43} - 64 q^{44} + 128 q^{45} - 8 q^{46} - 192 q^{47} - 96 q^{48} - 80 q^{49} - 384 q^{52} - 128 q^{53} - 168 q^{54} - 224 q^{55} - 264 q^{56} - 80 q^{57} + 368 q^{58} - 120 q^{59} + 48 q^{60} - 96 q^{61} + 120 q^{62} - 184 q^{63} + 64 q^{64} - 96 q^{66} + 240 q^{69} + 480 q^{70} + 280 q^{71} - 40 q^{72} + 208 q^{73} - 224 q^{74} - 136 q^{75} + 160 q^{76} + 80 q^{77} - 64 q^{78} + 24 q^{79} + 240 q^{80} + 424 q^{81} + 272 q^{82} + 336 q^{83} + 832 q^{86} - 80 q^{87} + 72 q^{88} - 160 q^{89} - 384 q^{90} - 248 q^{92} - 208 q^{93} + 432 q^{94} - 192 q^{95} - 88 q^{96} + 176 q^{97} + 120 q^{98} - 216 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/289\mathbb{Z}\right)^\times\).

\(n\) \(3\)
\(\chi(n)\) \(\zeta_{16}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
40.1
0.923880 0.382683i
−0.923880 0.382683i
−0.382683 0.923880i
0.382683 0.923880i
−0.382683 + 0.923880i
0.382683 + 0.923880i
0.923880 + 0.382683i
−0.923880 + 0.382683i
−2.79690 1.15851i −0.796897 + 0.158513i 3.65205 + 3.65205i −4.46088 + 6.67619i 2.41248 + 0.479872i 4.36370 + 6.53073i −1.34942 3.25778i −7.70500 + 3.19151i 20.2111 13.5046i
65.1 −2.03153 + 0.841487i −0.0315301 + 0.158513i 0.590587 0.590587i 4.46088 2.98067i −0.0693320 0.348555i −5.19212 3.46927i 2.66313 6.42935i 8.29078 + 3.43416i −6.55423 + 9.80910i
75.1 −0.509666 + 1.23044i 1.49033 2.23044i 1.57420 + 1.57420i −0.317025 1.59379i 1.98486 + 2.97055i −1.72965 + 8.69552i −7.66104 + 3.17331i 0.690373 + 1.66671i 2.12265 + 0.422221i
131.1 1.33809 + 3.23044i 3.33809 2.23044i −5.81684 + 5.81684i 0.317025 + 0.0630603i 11.6720 + 7.79898i 6.55807 1.30448i −13.6527 5.65512i 2.72384 6.57593i 0.220497 + 1.10851i
158.1 −0.509666 1.23044i 1.49033 + 2.23044i 1.57420 1.57420i −0.317025 + 1.59379i 1.98486 2.97055i −1.72965 8.69552i −7.66104 3.17331i 0.690373 1.66671i 2.12265 0.422221i
214.1 1.33809 3.23044i 3.33809 + 2.23044i −5.81684 5.81684i 0.317025 0.0630603i 11.6720 7.79898i 6.55807 + 1.30448i −13.6527 + 5.65512i 2.72384 + 6.57593i 0.220497 1.10851i
224.1 −2.79690 + 1.15851i −0.796897 0.158513i 3.65205 3.65205i −4.46088 6.67619i 2.41248 0.479872i 4.36370 6.53073i −1.34942 + 3.25778i −7.70500 3.19151i 20.2111 + 13.5046i
249.1 −2.03153 0.841487i −0.0315301 0.158513i 0.590587 + 0.590587i 4.46088 + 2.98067i −0.0693320 + 0.348555i −5.19212 + 3.46927i 2.66313 + 6.42935i 8.29078 3.43416i −6.55423 9.80910i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 40.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
17.e odd 16 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 289.3.e.d 8
17.b even 2 1 289.3.e.b 8
17.c even 4 1 289.3.e.k 8
17.c even 4 1 289.3.e.l 8
17.d even 8 1 17.3.e.a 8
17.d even 8 1 289.3.e.c 8
17.d even 8 1 289.3.e.i 8
17.d even 8 1 289.3.e.m 8
17.e odd 16 1 17.3.e.a 8
17.e odd 16 1 289.3.e.b 8
17.e odd 16 1 289.3.e.c 8
17.e odd 16 1 inner 289.3.e.d 8
17.e odd 16 1 289.3.e.i 8
17.e odd 16 1 289.3.e.k 8
17.e odd 16 1 289.3.e.l 8
17.e odd 16 1 289.3.e.m 8
51.g odd 8 1 153.3.p.b 8
51.i even 16 1 153.3.p.b 8
68.g odd 8 1 272.3.bh.c 8
68.i even 16 1 272.3.bh.c 8
85.k odd 8 1 425.3.t.c 8
85.m even 8 1 425.3.u.b 8
85.n odd 8 1 425.3.t.a 8
85.o even 16 1 425.3.t.c 8
85.p odd 16 1 425.3.u.b 8
85.r even 16 1 425.3.t.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
17.3.e.a 8 17.d even 8 1
17.3.e.a 8 17.e odd 16 1
153.3.p.b 8 51.g odd 8 1
153.3.p.b 8 51.i even 16 1
272.3.bh.c 8 68.g odd 8 1
272.3.bh.c 8 68.i even 16 1
289.3.e.b 8 17.b even 2 1
289.3.e.b 8 17.e odd 16 1
289.3.e.c 8 17.d even 8 1
289.3.e.c 8 17.e odd 16 1
289.3.e.d 8 1.a even 1 1 trivial
289.3.e.d 8 17.e odd 16 1 inner
289.3.e.i 8 17.d even 8 1
289.3.e.i 8 17.e odd 16 1
289.3.e.k 8 17.c even 4 1
289.3.e.k 8 17.e odd 16 1
289.3.e.l 8 17.c even 4 1
289.3.e.l 8 17.e odd 16 1
289.3.e.m 8 17.d even 8 1
289.3.e.m 8 17.e odd 16 1
425.3.t.a 8 85.n odd 8 1
425.3.t.a 8 85.r even 16 1
425.3.t.c 8 85.k odd 8 1
425.3.t.c 8 85.o even 16 1
425.3.u.b 8 85.m even 8 1
425.3.u.b 8 85.p odd 16 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(289, [\chi])\):

\( T_{2}^{8} + 8T_{2}^{7} + 32T_{2}^{6} + 120T_{2}^{5} + 448T_{2}^{4} + 1144T_{2}^{3} + 1792T_{2}^{2} + 1736T_{2} + 961 \) Copy content Toggle raw display
\( T_{3}^{8} - 8T_{3}^{7} + 28T_{3}^{6} - 32T_{3}^{5} - 10T_{3}^{4} + 120T_{3}^{3} + 84T_{3}^{2} + 8T_{3} + 2 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} + 8 T^{7} + \cdots + 961 \) Copy content Toggle raw display
$3$ \( T^{8} - 8 T^{7} + \cdots + 2 \) Copy content Toggle raw display
$5$ \( T^{8} + 16 T^{6} + \cdots + 512 \) Copy content Toggle raw display
$7$ \( T^{8} - 8 T^{7} + \cdots + 8454272 \) Copy content Toggle raw display
$11$ \( T^{8} + 24 T^{7} + \cdots + 27572738 \) Copy content Toggle raw display
$13$ \( T^{8} + 16 T^{7} + \cdots + 9048064 \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( T^{8} + 48 T^{7} + \cdots + 929296 \) Copy content Toggle raw display
$23$ \( T^{8} - 24 T^{7} + \cdots + 859299968 \) Copy content Toggle raw display
$29$ \( T^{8} + \cdots + 4240836608 \) Copy content Toggle raw display
$31$ \( T^{8} + 40 T^{7} + \cdots + 14536832 \) Copy content Toggle raw display
$37$ \( T^{8} + \cdots + 120057840128 \) Copy content Toggle raw display
$41$ \( T^{8} + \cdots + 59058658562 \) Copy content Toggle raw display
$43$ \( T^{8} + \cdots + 6201305218564 \) Copy content Toggle raw display
$47$ \( T^{8} + \cdots + 2259754549504 \) Copy content Toggle raw display
$53$ \( T^{8} + \cdots + 26754490624 \) Copy content Toggle raw display
$59$ \( T^{8} + \cdots + 2675455605124 \) Copy content Toggle raw display
$61$ \( T^{8} + \cdots + 106680004247552 \) Copy content Toggle raw display
$67$ \( T^{8} + \cdots + 83643718741636 \) Copy content Toggle raw display
$71$ \( T^{8} + \cdots + 71246079996032 \) Copy content Toggle raw display
$73$ \( T^{8} + \cdots + 51301810562 \) Copy content Toggle raw display
$79$ \( T^{8} + \cdots + 3948319764608 \) Copy content Toggle raw display
$83$ \( T^{8} + \cdots + 10\!\cdots\!04 \) Copy content Toggle raw display
$89$ \( T^{8} + \cdots + 117588822570244 \) Copy content Toggle raw display
$97$ \( T^{8} + \cdots + 21682310986562 \) Copy content Toggle raw display
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