Properties

Label 867.2.i.h
Level $867$
Weight $2$
Character orbit 867.i
Analytic conductor $6.923$
Analytic rank $0$
Dimension $32$
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] = [867,2,Mod(65,867)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(867, base_ring=CyclotomicField(16))
 
chi = DirichletCharacter(H, H._module([8, 9]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("867.65");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 867 = 3 \cdot 17^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 867.i (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: \(6.92302985525\)
Analytic rank: \(0\)
Dimension: \(32\)
Relative dimension: \(4\) over \(\Q(\zeta_{16})\)
Twist minimal: no (minimal twist has level 51)
Sato-Tate group: $\mathrm{SU}(2)[C_{16}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 32 q + 8 q^{3} - 16 q^{4} + 8 q^{6} + 16 q^{7} - 8 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 32 q + 8 q^{3} - 16 q^{4} + 8 q^{6} + 16 q^{7} - 8 q^{9} + 16 q^{10} - 16 q^{12} - 16 q^{13} + 16 q^{15} + 16 q^{18} - 16 q^{19} + 16 q^{21} + 16 q^{22} - 16 q^{24} + 16 q^{25} + 8 q^{27} - 32 q^{28} - 8 q^{30} - 16 q^{31} + 8 q^{36} - 16 q^{37} + 24 q^{39} - 16 q^{40} - 56 q^{42} + 16 q^{43} + 40 q^{45} + 32 q^{46} + 64 q^{48} - 48 q^{49} - 96 q^{52} + 24 q^{54} - 48 q^{55} - 8 q^{57} + 48 q^{58} + 32 q^{60} + 32 q^{61} - 64 q^{63} + 16 q^{64} + 72 q^{66} + 80 q^{69} + 48 q^{70} + 64 q^{72} - 48 q^{73} - 88 q^{75} + 48 q^{76} - 96 q^{78} - 16 q^{79} + 48 q^{81} - 112 q^{82} - 56 q^{87} - 16 q^{88} + 88 q^{90} - 16 q^{91} - 72 q^{93} - 48 q^{94} + 112 q^{96} + 16 q^{97} + 64 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
65.1 −0.978223 2.36164i −0.605951 + 1.62260i −3.20621 + 3.20621i −1.28940 1.92973i 4.42475 0.156224i −0.0883372 0.0590250i 5.98501 + 2.47907i −2.26565 1.96643i −3.29600 + 4.93281i
65.2 −0.503008 1.21437i −0.802099 1.53513i 0.192538 0.192538i 0.0781694 + 0.116989i −1.46076 + 1.74623i 1.47102 + 0.982905i −2.75940 1.14298i −1.71327 + 2.46266i 0.102748 0.153773i
65.3 0.503008 + 1.21437i 1.32851 1.11133i 0.192538 0.192538i −0.0781694 0.116989i 2.01782 + 1.05430i 1.47102 + 0.982905i 2.75940 + 1.14298i 0.529896 2.95283i 0.102748 0.153773i
65.4 0.978223 + 2.36164i −0.0611151 + 1.73097i −3.20621 + 3.20621i 1.28940 + 1.92973i −4.14772 + 1.54895i −0.0883372 0.0590250i −5.98501 2.47907i −2.99253 0.211577i −3.29600 + 4.93281i
131.1 −1.34436 + 0.556851i 1.69899 0.336782i 0.0830021 0.0830021i 0.595296 2.99276i −2.09652 + 1.39884i 2.11533 0.420765i 1.04834 2.53091i 2.77316 1.14438i 0.866229 + 4.35483i
131.2 −0.774648 + 0.320870i −1.60072 0.661591i −0.917091 + 0.917091i −0.159652 + 0.802626i 1.45228 0.00112159i −0.191449 + 0.0380817i 1.05790 2.55399i 2.12459 + 2.11804i −0.133864 0.672980i
131.3 0.774648 0.320870i −0.00133765 + 1.73205i −0.917091 + 0.917091i 0.159652 0.802626i 0.554726 + 1.34216i −0.191449 + 0.0380817i −1.05790 + 2.55399i −3.00000 0.00463376i −0.133864 0.672980i
131.4 1.34436 0.556851i 0.961322 1.44078i 0.0830021 0.0830021i −0.595296 + 2.99276i 0.490059 2.47224i 2.11533 0.420765i −1.04834 + 2.53091i −1.15172 2.77012i 0.866229 + 4.35483i
158.1 −1.88095 + 0.779115i −1.10321 + 1.33527i 1.51674 1.51674i −2.03727 0.405238i 1.03475 3.37109i −0.388855 1.95490i −0.112963 + 0.272718i −0.565877 2.94615i 4.14772 0.825033i
158.2 −0.419490 + 0.173759i 0.706330 1.58149i −1.26843 + 1.26843i −3.00087 0.596910i −0.0215020 + 0.786149i 0.464975 + 2.33759i 0.659211 1.59148i −2.00219 2.23410i 1.36255 0.271029i
158.3 0.419490 0.173759i −1.73140 + 0.0473558i −1.26843 + 1.26843i 3.00087 + 0.596910i −0.718078 + 0.320711i 0.464975 + 2.33759i −0.659211 + 1.59148i 2.99551 0.163984i 1.36255 0.271029i
158.4 1.88095 0.779115i 1.65580 0.508244i 1.51674 1.51674i 2.03727 + 0.405238i 2.71850 2.24604i −0.388855 1.95490i 0.112963 0.272718i 2.48338 1.68311i 4.14772 0.825033i
224.1 −0.762502 1.84084i 1.47444 + 0.908865i −1.39308 + 1.39308i 0.360100 0.240611i 0.548817 3.40722i −1.52969 + 2.28935i −0.0550167 0.0227887i 1.34793 + 2.68013i −0.717504 0.479421i
224.2 −0.295520 0.713449i 0.521102 1.65180i 0.992537 0.992537i −2.16012 + 1.44335i −1.33247 + 0.116362i 2.14701 3.21323i −2.42834 1.00585i −2.45691 1.72151i 1.66811 + 1.11460i
224.3 0.295520 + 0.713449i −0.150682 + 1.72548i 0.992537 0.992537i 2.16012 1.44335i −1.27557 + 0.402411i 2.14701 3.21323i 2.42834 + 1.00585i −2.95459 0.520000i 1.66811 + 1.11460i
224.4 0.762502 + 1.84084i 1.71001 0.275439i −1.39308 + 1.39308i −0.360100 + 0.240611i 1.81093 + 2.93784i −1.52969 + 2.28935i 0.0550167 + 0.0227887i 2.84827 0.942008i −0.717504 0.479421i
329.1 −0.762502 + 1.84084i 1.47444 0.908865i −1.39308 1.39308i 0.360100 + 0.240611i 0.548817 + 3.40722i −1.52969 2.28935i −0.0550167 + 0.0227887i 1.34793 2.68013i −0.717504 + 0.479421i
329.2 −0.295520 + 0.713449i 0.521102 + 1.65180i 0.992537 + 0.992537i −2.16012 1.44335i −1.33247 0.116362i 2.14701 + 3.21323i −2.42834 + 1.00585i −2.45691 + 1.72151i 1.66811 1.11460i
329.3 0.295520 0.713449i −0.150682 1.72548i 0.992537 + 0.992537i 2.16012 + 1.44335i −1.27557 0.402411i 2.14701 + 3.21323i 2.42834 1.00585i −2.95459 + 0.520000i 1.66811 1.11460i
329.4 0.762502 1.84084i 1.71001 + 0.275439i −1.39308 1.39308i −0.360100 0.240611i 1.81093 2.93784i −1.52969 2.28935i 0.0550167 0.0227887i 2.84827 + 0.942008i −0.717504 + 0.479421i
See all 32 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 65.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
17.e odd 16 1 inner
51.i even 16 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 867.2.i.h 32
3.b odd 2 1 inner 867.2.i.h 32
17.b even 2 1 51.2.i.a 32
17.c even 4 1 867.2.i.c 32
17.c even 4 1 867.2.i.d 32
17.d even 8 1 867.2.i.b 32
17.d even 8 1 867.2.i.f 32
17.d even 8 1 867.2.i.g 32
17.d even 8 1 867.2.i.i 32
17.e odd 16 1 51.2.i.a 32
17.e odd 16 1 867.2.i.b 32
17.e odd 16 1 867.2.i.c 32
17.e odd 16 1 867.2.i.d 32
17.e odd 16 1 867.2.i.f 32
17.e odd 16 1 867.2.i.g 32
17.e odd 16 1 inner 867.2.i.h 32
17.e odd 16 1 867.2.i.i 32
51.c odd 2 1 51.2.i.a 32
51.f odd 4 1 867.2.i.c 32
51.f odd 4 1 867.2.i.d 32
51.g odd 8 1 867.2.i.b 32
51.g odd 8 1 867.2.i.f 32
51.g odd 8 1 867.2.i.g 32
51.g odd 8 1 867.2.i.i 32
51.i even 16 1 51.2.i.a 32
51.i even 16 1 867.2.i.b 32
51.i even 16 1 867.2.i.c 32
51.i even 16 1 867.2.i.d 32
51.i even 16 1 867.2.i.f 32
51.i even 16 1 867.2.i.g 32
51.i even 16 1 inner 867.2.i.h 32
51.i even 16 1 867.2.i.i 32
68.d odd 2 1 816.2.cj.c 32
68.i even 16 1 816.2.cj.c 32
204.h even 2 1 816.2.cj.c 32
204.t odd 16 1 816.2.cj.c 32
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
51.2.i.a 32 17.b even 2 1
51.2.i.a 32 17.e odd 16 1
51.2.i.a 32 51.c odd 2 1
51.2.i.a 32 51.i even 16 1
816.2.cj.c 32 68.d odd 2 1
816.2.cj.c 32 68.i even 16 1
816.2.cj.c 32 204.h even 2 1
816.2.cj.c 32 204.t odd 16 1
867.2.i.b 32 17.d even 8 1
867.2.i.b 32 17.e odd 16 1
867.2.i.b 32 51.g odd 8 1
867.2.i.b 32 51.i even 16 1
867.2.i.c 32 17.c even 4 1
867.2.i.c 32 17.e odd 16 1
867.2.i.c 32 51.f odd 4 1
867.2.i.c 32 51.i even 16 1
867.2.i.d 32 17.c even 4 1
867.2.i.d 32 17.e odd 16 1
867.2.i.d 32 51.f odd 4 1
867.2.i.d 32 51.i even 16 1
867.2.i.f 32 17.d even 8 1
867.2.i.f 32 17.e odd 16 1
867.2.i.f 32 51.g odd 8 1
867.2.i.f 32 51.i even 16 1
867.2.i.g 32 17.d even 8 1
867.2.i.g 32 17.e odd 16 1
867.2.i.g 32 51.g odd 8 1
867.2.i.g 32 51.i even 16 1
867.2.i.h 32 1.a even 1 1 trivial
867.2.i.h 32 3.b odd 2 1 inner
867.2.i.h 32 17.e odd 16 1 inner
867.2.i.h 32 51.i even 16 1 inner
867.2.i.i 32 17.d even 8 1
867.2.i.i 32 17.e odd 16 1
867.2.i.i 32 51.g odd 8 1
867.2.i.i 32 51.i even 16 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(867, [\chi])\):

\( T_{2}^{32} + 8 T_{2}^{30} + 32 T_{2}^{28} - 40 T_{2}^{26} + 366 T_{2}^{24} + 2552 T_{2}^{22} + \cdots + 1156 \) Copy content Toggle raw display
\( T_{5}^{32} - 8 T_{5}^{30} - 52 T_{5}^{28} + 656 T_{5}^{26} + 456 T_{5}^{24} - 27912 T_{5}^{22} + \cdots + 1156 \) Copy content Toggle raw display
\( T_{7}^{16} - 8 T_{7}^{15} + 44 T_{7}^{14} - 160 T_{7}^{13} + 534 T_{7}^{12} - 1632 T_{7}^{11} + \cdots + 16 \) Copy content Toggle raw display