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Properties

Label 378.2.v.b
Level $378$
Weight $2$
Character orbit 378.v
Analytic conductor $3.018$
Analytic rank $0$
Dimension $72$
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] = [378,2,Mod(67,378)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(378, base_ring=CyclotomicField(18))
 
chi = DirichletCharacter(H, H._module([8, 12]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("378.67");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 378 = 2 \cdot 3^{3} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 378.v (of order \(9\), degree \(6\), 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: \(3.01834519640\)
Analytic rank: \(0\)
Dimension: \(72\)
Relative dimension: \(12\) over \(\Q(\zeta_{9})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{9}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 72 q + 3 q^{6} + 6 q^{7} - 36 q^{8} + 24 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 72 q + 3 q^{6} + 6 q^{7} - 36 q^{8} + 24 q^{9} - 6 q^{10} + 12 q^{11} - 12 q^{13} - 3 q^{14} - 6 q^{15} - 12 q^{17} - 18 q^{19} - 30 q^{21} - 6 q^{22} + 30 q^{23} + 6 q^{25} - 18 q^{26} - 6 q^{27} + 3 q^{29} + 3 q^{30} + 9 q^{31} - 18 q^{33} + 9 q^{34} - 18 q^{35} + 9 q^{36} - 24 q^{39} - 6 q^{41} + 12 q^{42} + 24 q^{43} + 51 q^{45} + 45 q^{47} - 6 q^{48} - 12 q^{49} + 6 q^{50} - 51 q^{51} + 6 q^{52} - 15 q^{53} + 27 q^{54} + 72 q^{55} - 3 q^{56} - 63 q^{57} + 3 q^{58} - 30 q^{59} - 3 q^{60} + 9 q^{61} - 24 q^{62} - 39 q^{63} - 36 q^{64} + 9 q^{65} - 6 q^{67} + 9 q^{68} - 21 q^{69} - 33 q^{70} + 12 q^{71} - 12 q^{72} + 132 q^{73} - 18 q^{74} - 30 q^{75} - 33 q^{77} + 30 q^{78} - 9 q^{79} - 6 q^{80} + 36 q^{81} - 33 q^{82} - 18 q^{83} + 15 q^{84} + 21 q^{85} - 12 q^{86} - 39 q^{87} - 6 q^{88} - 36 q^{89} + 69 q^{90} + 39 q^{91} + 30 q^{92} - 66 q^{93} - 9 q^{94} - 33 q^{95} - 48 q^{97} - 12 q^{98} - 54 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
67.1 0.766044 − 0.642788i −1.73077 + 0.0664993i 0.173648 − 0.984808i −0.294369 + 1.66945i −1.28310 + 1.16346i −2.64575 − 0.00486080i −0.500000 − 0.866025i 2.99116 − 0.230191i 0.847602 + 1.46809i
67.2 0.766044 − 0.642788i −1.69832 − 0.340165i 0.173648 − 0.984808i −0.294026 + 1.66751i −1.51964 + 0.831077i 1.80729 − 1.93228i −0.500000 − 0.866025i 2.76858 + 1.15542i 0.846615 + 1.46638i
67.3 0.766044 − 0.642788i −1.42742 + 0.981051i 0.173648 − 0.984808i 0.343656 − 1.94897i −0.462863 + 1.66906i 1.84248 + 1.89876i −0.500000 − 0.866025i 1.07508 − 2.80075i −0.989519 − 1.71390i
67.4 0.766044 − 0.642788i −1.07856 − 1.35526i 0.173648 − 0.984808i 0.620533 − 3.51922i −1.69736 − 0.344903i −0.670349 − 2.55942i −0.500000 − 0.866025i −0.673434 + 2.92344i −1.78675 − 3.09475i
67.5 0.766044 − 0.642788i −0.402772 + 1.68457i 0.173648 − 0.984808i −0.366960 + 2.08113i 0.774279 + 1.54935i 1.84638 + 1.89496i −0.500000 − 0.866025i −2.67555 − 1.35699i 1.05662 + 1.83012i
67.6 0.766044 − 0.642788i −0.389111 − 1.68778i 0.173648 − 0.984808i −0.0926928 + 0.525687i −1.38296 − 1.04280i −2.63702 + 0.214772i −0.500000 − 0.866025i −2.69718 + 1.31347i 0.266898 + 0.462282i
67.7 0.766044 − 0.642788i 0.586306 + 1.62980i 0.173648 − 0.984808i 0.483736 − 2.74340i 1.49675 + 0.871628i 0.286196 − 2.63023i −0.500000 − 0.866025i −2.31249 + 1.91112i −1.39286 − 2.41251i
67.8 0.766044 − 0.642788i 0.654437 − 1.60366i 0.173648 − 0.984808i 0.190866 − 1.08246i −0.529482 − 1.64914i 2.53672 + 0.751691i −0.500000 − 0.866025i −2.14342 − 2.09898i −0.549577 − 0.951896i
67.9 0.766044 − 0.642788i 1.40163 + 1.01757i 0.173648 − 0.984808i −0.289065 + 1.63937i 1.72779 − 0.121449i 1.93330 − 1.80620i −0.500000 − 0.866025i 0.929121 + 2.85250i 0.832330 + 1.44164i
67.10 0.766044 − 0.642788i 1.58806 − 0.691418i 0.173648 − 0.984808i −0.0337396 + 0.191347i 0.772092 − 1.55044i −1.90403 − 1.83703i −0.500000 − 0.866025i 2.04388 − 2.19603i 0.0971494 + 0.168268i
67.11 0.766044 − 0.642788i 1.71536 − 0.239862i 0.173648 − 0.984808i −0.604303 + 3.42717i 1.15986 − 1.28636i −0.0661038 + 2.64493i −0.500000 − 0.866025i 2.88493 − 0.822900i 1.74002 + 3.01380i
67.12 0.766044 − 0.642788i 1.72085 + 0.196628i 0.173648 − 0.984808i 0.683660 − 3.87723i 1.44464 − 0.955517i −1.15546 + 2.38011i −0.500000 − 0.866025i 2.92267 + 0.676737i −1.96852 − 3.40958i
79.1 0.766044 + 0.642788i −1.73077 − 0.0664993i 0.173648 + 0.984808i −0.294369 − 1.66945i −1.28310 − 1.16346i −2.64575 + 0.00486080i −0.500000 + 0.866025i 2.99116 + 0.230191i 0.847602 − 1.46809i
79.2 0.766044 + 0.642788i −1.69832 + 0.340165i 0.173648 + 0.984808i −0.294026 − 1.66751i −1.51964 − 0.831077i 1.80729 + 1.93228i −0.500000 + 0.866025i 2.76858 − 1.15542i 0.846615 − 1.46638i
79.3 0.766044 + 0.642788i −1.42742 − 0.981051i 0.173648 + 0.984808i 0.343656 + 1.94897i −0.462863 − 1.66906i 1.84248 − 1.89876i −0.500000 + 0.866025i 1.07508 + 2.80075i −0.989519 + 1.71390i
79.4 0.766044 + 0.642788i −1.07856 + 1.35526i 0.173648 + 0.984808i 0.620533 + 3.51922i −1.69736 + 0.344903i −0.670349 + 2.55942i −0.500000 + 0.866025i −0.673434 − 2.92344i −1.78675 + 3.09475i
79.5 0.766044 + 0.642788i −0.402772 − 1.68457i 0.173648 + 0.984808i −0.366960 − 2.08113i 0.774279 − 1.54935i 1.84638 − 1.89496i −0.500000 + 0.866025i −2.67555 + 1.35699i 1.05662 − 1.83012i
79.6 0.766044 + 0.642788i −0.389111 + 1.68778i 0.173648 + 0.984808i −0.0926928 − 0.525687i −1.38296 + 1.04280i −2.63702 − 0.214772i −0.500000 + 0.866025i −2.69718 − 1.31347i 0.266898 − 0.462282i
79.7 0.766044 + 0.642788i 0.586306 − 1.62980i 0.173648 + 0.984808i 0.483736 + 2.74340i 1.49675 − 0.871628i 0.286196 + 2.63023i −0.500000 + 0.866025i −2.31249 − 1.91112i −1.39286 + 2.41251i
79.8 0.766044 + 0.642788i 0.654437 + 1.60366i 0.173648 + 0.984808i 0.190866 + 1.08246i −0.529482 + 1.64914i 2.53672 − 0.751691i −0.500000 + 0.866025i −2.14342 + 2.09898i −0.549577 + 0.951896i
See all 72 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 67.12
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
189.u even 9 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 378.2.v.b ✓ 72
7.c even 3 1 378.2.w.a yes 72
27.e even 9 1 378.2.w.a yes 72
189.u even 9 1 inner 378.2.v.b ✓ 72
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
378.2.v.b ✓ 72 1.a even 1 1 trivial
378.2.v.b ✓ 72 189.u even 9 1 inner
378.2.w.a yes 72 7.c even 3 1
378.2.w.a yes 72 27.e even 9 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{72} - 3 T_{5}^{70} + 41 T_{5}^{69} + 105 T_{5}^{68} - 57 T_{5}^{67} + 5130 T_{5}^{66} + \cdots + 18\!\cdots\!89 \) acting on \(S_{2}^{\mathrm{new}}(378, [\chi])\). Copy content Toggle raw display