Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [156,2,Mod(35,156)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(156, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([3, 3, 4]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("156.35");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 156 = 2^{2} \cdot 3 \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 156.p (of order \(6\), 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: | \(1.24566627153\) |
Analytic rank: | \(0\) |
Dimension: | \(40\) |
Relative dimension: | \(20\) over \(\Q(\zeta_{6})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{6}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
35.1 | −1.40167 | − | 0.187933i | −1.29017 | − | 1.15562i | 1.92936 | + | 0.526840i | 1.98084i | 1.59121 | + | 1.86227i | 2.42516 | − | 1.40017i | −2.60532 | − | 1.10105i | 0.329066 | + | 2.98190i | 0.372266 | − | 2.77649i | ||
35.2 | −1.39117 | + | 0.254263i | 0.564863 | − | 1.63735i | 1.87070 | − | 0.707445i | − | 3.40345i | −0.369501 | + | 2.42146i | −2.05768 | + | 1.18800i | −2.42258 | + | 1.45983i | −2.36186 | − | 1.84976i | 0.865372 | + | 4.73478i | |
35.3 | −1.36641 | − | 0.364576i | −1.10270 | + | 1.33569i | 1.73417 | + | 0.996323i | 0.171572i | 1.99370 | − | 1.42308i | −2.51891 | + | 1.45429i | −2.00636 | − | 1.99362i | −0.568109 | − | 2.94572i | 0.0625510 | − | 0.234438i | ||
35.4 | −1.32222 | + | 0.501741i | 1.71957 | − | 0.207570i | 1.49651 | − | 1.32682i | 3.37008i | −2.16949 | + | 1.13723i | −1.77448 | + | 1.02450i | −1.31299 | + | 2.50520i | 2.91383 | − | 0.713863i | −1.69091 | − | 4.45597i | ||
35.5 | −1.06855 | + | 0.926389i | −1.63287 | + | 0.577710i | 0.283607 | − | 1.97979i | − | 1.45117i | 1.20962 | − | 2.12998i | 1.17936 | − | 0.680902i | 1.53101 | + | 2.37824i | 2.33250 | − | 1.88665i | 1.34435 | + | 1.55065i | |
35.6 | −0.998939 | − | 1.00106i | 1.10270 | − | 1.33569i | −0.00424367 | + | 2.00000i | 0.171572i | −2.43863 | + | 0.230399i | 2.51891 | − | 1.45429i | 2.00636 | − | 1.99362i | −0.568109 | − | 2.94572i | 0.171754 | − | 0.171390i | ||
35.7 | −0.863590 | − | 1.11992i | 1.29017 | + | 1.15562i | −0.508424 | + | 1.93430i | 1.98084i | 0.180026 | − | 2.44287i | −2.42516 | + | 1.40017i | 2.60532 | − | 1.10105i | 0.329066 | + | 2.98190i | 2.21838 | − | 1.71064i | ||
35.8 | −0.475386 | − | 1.33192i | −0.564863 | + | 1.63735i | −1.54802 | + | 1.26635i | − | 3.40345i | 2.44935 | − | 0.0260236i | 2.05768 | − | 1.18800i | 2.42258 | + | 1.45983i | −2.36186 | − | 1.84976i | −4.53312 | + | 1.61795i | |
35.9 | −0.268000 | + | 1.38859i | 0.316122 | + | 1.70296i | −1.85635 | − | 0.744284i | 1.45117i | −2.44943 | − | 0.0174310i | −1.17936 | + | 0.680902i | 1.53101 | − | 2.37824i | −2.80013 | + | 1.07668i | −2.01508 | − | 0.388914i | ||
35.10 | −0.226588 | − | 1.39594i | −1.71957 | + | 0.207570i | −1.89732 | + | 0.632608i | 3.37008i | 0.679390 | + | 2.35339i | 1.77448 | − | 1.02450i | 1.31299 | + | 2.50520i | 2.91383 | − | 0.713863i | 4.70444 | − | 0.763619i | ||
35.11 | 0.226588 | + | 1.39594i | −0.680023 | − | 1.59297i | −1.89732 | + | 0.632608i | − | 3.37008i | 2.06962 | − | 1.31022i | 1.77448 | − | 1.02450i | −1.31299 | − | 2.50520i | −2.07514 | + | 2.16652i | 4.70444 | − | 0.763619i | |
35.12 | 0.268000 | − | 1.38859i | 1.63287 | − | 0.577710i | −1.85635 | − | 0.744284i | − | 1.45117i | −0.364592 | − | 2.42220i | −1.17936 | + | 0.680902i | −1.53101 | + | 2.37824i | 2.33250 | − | 1.88665i | −2.01508 | − | 0.388914i | |
35.13 | 0.475386 | + | 1.33192i | 1.13556 | − | 1.30786i | −1.54802 | + | 1.26635i | 3.40345i | 2.28180 | + | 0.890732i | 2.05768 | − | 1.18800i | −2.42258 | − | 1.45983i | −0.421012 | − | 2.97031i | −4.53312 | + | 1.61795i | ||
35.14 | 0.863590 | + | 1.11992i | 1.64588 | + | 0.539506i | −0.508424 | + | 1.93430i | − | 1.98084i | 0.817167 | + | 2.30916i | −2.42516 | + | 1.40017i | −2.60532 | + | 1.10105i | 2.41787 | + | 1.77593i | 2.21838 | − | 1.71064i | |
35.15 | 0.998939 | + | 1.00106i | −0.605388 | + | 1.62281i | −0.00424367 | + | 2.00000i | − | 0.171572i | −2.22927 | + | 1.01506i | 2.51891 | − | 1.45429i | −2.00636 | + | 1.99362i | −2.26701 | − | 1.96486i | 0.171754 | − | 0.171390i | |
35.16 | 1.06855 | − | 0.926389i | −0.316122 | − | 1.70296i | 0.283607 | − | 1.97979i | 1.45117i | −1.91539 | − | 1.52685i | 1.17936 | − | 0.680902i | −1.53101 | − | 2.37824i | −2.80013 | + | 1.07668i | 1.34435 | + | 1.55065i | ||
35.17 | 1.32222 | − | 0.501741i | 0.680023 | + | 1.59297i | 1.49651 | − | 1.32682i | − | 3.37008i | 1.69840 | + | 1.76506i | −1.77448 | + | 1.02450i | 1.31299 | − | 2.50520i | −2.07514 | + | 2.16652i | −1.69091 | − | 4.45597i | |
35.18 | 1.36641 | + | 0.364576i | 0.605388 | − | 1.62281i | 1.73417 | + | 0.996323i | − | 0.171572i | 1.41885 | − | 1.99672i | −2.51891 | + | 1.45429i | 2.00636 | + | 1.99362i | −2.26701 | − | 1.96486i | 0.0625510 | − | 0.234438i | |
35.19 | 1.39117 | − | 0.254263i | −1.13556 | + | 1.30786i | 1.87070 | − | 0.707445i | 3.40345i | −1.24721 | + | 2.10819i | −2.05768 | + | 1.18800i | 2.42258 | − | 1.45983i | −0.421012 | − | 2.97031i | 0.865372 | + | 4.73478i | ||
35.20 | 1.40167 | + | 0.187933i | −1.64588 | − | 0.539506i | 1.92936 | + | 0.526840i | − | 1.98084i | −2.20560 | − | 1.06553i | 2.42516 | − | 1.40017i | 2.60532 | + | 1.10105i | 2.41787 | + | 1.77593i | 0.372266 | − | 2.77649i | |
See all 40 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
4.b | odd | 2 | 1 | inner |
12.b | even | 2 | 1 | inner |
13.c | even | 3 | 1 | inner |
39.i | odd | 6 | 1 | inner |
52.j | odd | 6 | 1 | inner |
156.p | even | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 156.2.p.b | ✓ | 40 |
3.b | odd | 2 | 1 | inner | 156.2.p.b | ✓ | 40 |
4.b | odd | 2 | 1 | inner | 156.2.p.b | ✓ | 40 |
12.b | even | 2 | 1 | inner | 156.2.p.b | ✓ | 40 |
13.c | even | 3 | 1 | inner | 156.2.p.b | ✓ | 40 |
39.i | odd | 6 | 1 | inner | 156.2.p.b | ✓ | 40 |
52.j | odd | 6 | 1 | inner | 156.2.p.b | ✓ | 40 |
156.p | even | 6 | 1 | inner | 156.2.p.b | ✓ | 40 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
156.2.p.b | ✓ | 40 | 1.a | even | 1 | 1 | trivial |
156.2.p.b | ✓ | 40 | 3.b | odd | 2 | 1 | inner |
156.2.p.b | ✓ | 40 | 4.b | odd | 2 | 1 | inner |
156.2.p.b | ✓ | 40 | 12.b | even | 2 | 1 | inner |
156.2.p.b | ✓ | 40 | 13.c | even | 3 | 1 | inner |
156.2.p.b | ✓ | 40 | 39.i | odd | 6 | 1 | inner |
156.2.p.b | ✓ | 40 | 52.j | odd | 6 | 1 | inner |
156.2.p.b | ✓ | 40 | 156.p | even | 6 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{10} + 29T_{5}^{8} + 279T_{5}^{6} + 991T_{5}^{4} + 1116T_{5}^{2} + 32 \) acting on \(S_{2}^{\mathrm{new}}(156, [\chi])\).