Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [28,7,Mod(11,28)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(28, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([3, 4]))
N = Newforms(chi, 7, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("28.11");
S:= CuspForms(chi, 7);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 28 = 2^{2} \cdot 7 \) |
Weight: | \( k \) | \(=\) | \( 7 \) |
Character orbit: | \([\chi]\) | \(=\) | 28.g (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: | \(6.44151434136\) |
Analytic rank: | \(0\) |
Dimension: | \(44\) |
Relative dimension: | \(22\) 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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
11.1 | −7.89877 | − | 1.26864i | −2.43660 | − | 1.40677i | 60.7811 | + | 20.0414i | −19.2345 | − | 33.3152i | 17.4614 | + | 14.2029i | 274.756 | + | 205.325i | −454.671 | − | 235.412i | −360.542 | − | 624.477i | 109.664 | + | 287.551i |
11.2 | −7.69548 | + | 2.18621i | −42.3811 | − | 24.4687i | 54.4409 | − | 33.6479i | −76.3886 | − | 132.309i | 379.637 | + | 95.6446i | −289.700 | − | 183.639i | −345.388 | + | 377.957i | 832.936 | + | 1442.69i | 877.103 | + | 851.180i |
11.3 | −7.53145 | − | 2.69764i | 40.4534 | + | 23.3558i | 49.4455 | + | 40.6343i | 20.5775 | + | 35.6413i | −241.668 | − | 285.032i | −318.771 | + | 126.625i | −262.780 | − | 439.421i | 726.487 | + | 1258.31i | −58.8312 | − | 323.942i |
11.4 | −7.21097 | + | 3.46438i | 18.9511 | + | 10.9414i | 39.9961 | − | 49.9631i | −31.3249 | − | 54.2563i | −174.561 | − | 13.2444i | 226.343 | − | 257.717i | −115.320 | + | 498.844i | −125.071 | − | 216.630i | 413.847 | + | 282.719i |
11.5 | −6.69360 | − | 4.38130i | −20.9088 | − | 12.0717i | 25.6084 | + | 58.6533i | 97.9064 | + | 169.579i | 87.0653 | + | 172.411i | −66.1665 | − | 336.558i | 85.5650 | − | 504.800i | −73.0485 | − | 126.524i | 87.6298 | − | 1564.05i |
11.6 | −6.35138 | + | 4.86415i | −1.29774 | − | 0.749250i | 16.6800 | − | 61.7882i | 85.8124 | + | 148.631i | 11.8869 | − | 1.55363i | −307.530 | + | 151.901i | 194.606 | + | 473.574i | −363.377 | − | 629.388i | −1267.99 | − | 526.610i |
11.7 | −4.45621 | − | 6.64396i | −20.9712 | − | 12.1077i | −24.2844 | + | 59.2137i | −61.8703 | − | 107.162i | 13.0088 | + | 193.286i | −79.3188 | + | 333.703i | 501.630 | − | 102.524i | −71.3061 | − | 123.506i | −436.276 | + | 888.602i |
11.8 | −3.52573 | − | 7.18117i | 20.9712 | + | 12.1077i | −39.1384 | + | 50.6378i | −61.8703 | − | 107.162i | 13.0088 | − | 193.286i | 79.3188 | − | 333.703i | 501.630 | + | 102.524i | −71.3061 | − | 123.506i | −551.414 | + | 822.127i |
11.9 | −2.75359 | + | 7.51117i | −28.0528 | − | 16.1963i | −48.8354 | − | 41.3655i | 14.2313 | + | 24.6493i | 198.899 | − | 166.112i | 311.758 | + | 143.024i | 445.176 | − | 252.908i | 160.141 | + | 277.372i | −224.332 | + | 39.0194i |
11.10 | −2.37213 | + | 7.64022i | 19.1737 | + | 11.0699i | −52.7460 | − | 36.2472i | −117.928 | − | 204.258i | −130.059 | + | 120.232i | −278.420 | + | 200.329i | 402.057 | − | 317.008i | −119.414 | − | 206.831i | 1840.32 | − | 416.471i |
11.11 | −1.03641 | + | 7.93258i | 39.2900 | + | 22.6841i | −61.8517 | − | 16.4428i | 86.1951 | + | 149.294i | −220.664 | + | 288.161i | 197.176 | − | 280.661i | 194.538 | − | 473.602i | 664.636 | + | 1151.18i | −1273.62 | + | 529.019i |
11.12 | −0.447518 | − | 7.98747i | 20.9088 | + | 12.0717i | −63.5995 | + | 7.14908i | 97.9064 | + | 169.579i | 87.0653 | − | 172.411i | 66.1665 | + | 336.558i | 85.5650 | + | 504.800i | −73.0485 | − | 126.524i | 1310.69 | − | 857.914i |
11.13 | 1.42950 | − | 7.87125i | −40.4534 | − | 23.3558i | −59.9131 | − | 22.5039i | 20.5775 | + | 35.6413i | −241.668 | + | 285.032i | 318.771 | − | 126.625i | −262.780 | + | 439.421i | 726.487 | + | 1258.31i | 309.957 | − | 111.022i |
11.14 | 2.77592 | + | 7.50295i | −16.7059 | − | 9.64517i | −48.5886 | + | 41.6551i | 1.52383 | + | 2.63935i | 25.9930 | − | 152.118i | −178.748 | − | 292.742i | −447.414 | − | 248.927i | −178.442 | − | 309.070i | −15.5729 | + | 18.7598i |
11.15 | 2.85071 | − | 7.47485i | 2.43660 | + | 1.40677i | −47.7469 | − | 42.6173i | −19.2345 | − | 33.3152i | 17.4614 | − | 14.2029i | −274.756 | − | 205.325i | −454.671 | + | 235.412i | −360.542 | − | 624.477i | −303.859 | + | 48.8034i |
11.16 | 5.10979 | + | 6.15549i | 16.7059 | + | 9.64517i | −11.7801 | + | 62.9065i | 1.52383 | + | 2.63935i | 25.9930 | + | 152.118i | 178.748 | + | 292.742i | −447.414 | + | 248.927i | −178.442 | − | 309.070i | −8.46005 | + | 22.8664i |
11.17 | 5.74106 | − | 5.57138i | 42.3811 | + | 24.4687i | 1.91950 | − | 63.9712i | −76.3886 | − | 132.309i | 379.637 | − | 95.6446i | 289.700 | + | 183.639i | −345.388 | − | 377.957i | 832.936 | + | 1442.69i | −1175.69 | − | 334.004i |
11.18 | 6.60573 | − | 4.51269i | −18.9511 | − | 10.9414i | 23.2712 | − | 59.6192i | −31.3249 | − | 54.2563i | −174.561 | + | 13.2444i | −226.343 | + | 257.717i | −115.320 | − | 498.844i | −125.071 | − | 216.630i | −451.766 | − | 217.043i |
11.19 | 7.38802 | + | 3.06873i | −39.2900 | − | 22.6841i | 45.1658 | + | 45.3437i | 86.1951 | + | 149.294i | −220.664 | − | 288.161i | −197.176 | + | 280.661i | 194.538 | + | 473.602i | 664.636 | + | 1151.18i | 178.667 | + | 1367.50i |
11.20 | 7.38817 | − | 3.06838i | 1.29774 | + | 0.749250i | 45.1701 | − | 45.3394i | 85.8124 | + | 148.631i | 11.8869 | + | 1.55363i | 307.530 | − | 151.901i | 194.606 | − | 473.574i | −363.377 | − | 629.388i | 1090.05 | + | 834.809i |
See all 44 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
4.b | odd | 2 | 1 | inner |
7.c | even | 3 | 1 | inner |
28.g | odd | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 28.7.g.a | ✓ | 44 |
4.b | odd | 2 | 1 | inner | 28.7.g.a | ✓ | 44 |
7.c | even | 3 | 1 | inner | 28.7.g.a | ✓ | 44 |
28.g | odd | 6 | 1 | inner | 28.7.g.a | ✓ | 44 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
28.7.g.a | ✓ | 44 | 1.a | even | 1 | 1 | trivial |
28.7.g.a | ✓ | 44 | 4.b | odd | 2 | 1 | inner |
28.7.g.a | ✓ | 44 | 7.c | even | 3 | 1 | inner |
28.7.g.a | ✓ | 44 | 28.g | odd | 6 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{7}^{\mathrm{new}}(28, [\chi])\).