Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [54,6,Mod(7,54)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(54, base_ring=CyclotomicField(18))
chi = DirichletCharacter(H, H._module([16]))
N = Newforms(chi, 6, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("54.7");
S:= CuspForms(chi, 6);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 54 = 2 \cdot 3^{3} \) |
Weight: | \( k \) | \(=\) | \( 6 \) |
Character orbit: | \([\chi]\) | \(=\) | 54.e (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: | \(8.66072626990\) |
Analytic rank: | \(0\) |
Dimension: | \(42\) |
Relative dimension: | \(7\) 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.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
7.1 | 3.75877 | − | 1.36808i | −13.2518 | − | 8.20910i | 12.2567 | − | 10.2846i | 15.3072 | + | 86.8113i | −61.0412 | − | 12.7266i | 66.3245 | + | 55.6528i | 32.0000 | − | 55.4256i | 108.221 | + | 217.571i | 176.301 | + | 305.362i |
7.2 | 3.75877 | − | 1.36808i | −13.1664 | + | 8.34538i | 12.2567 | − | 10.2846i | 4.21373 | + | 23.8972i | −38.0724 | + | 49.3811i | −177.680 | − | 149.091i | 32.0000 | − | 55.4256i | 103.709 | − | 219.758i | 48.5318 | + | 84.0595i |
7.3 | 3.75877 | − | 1.36808i | −7.91690 | + | 13.4284i | 12.2567 | − | 10.2846i | −16.3275 | − | 92.5977i | −11.3866 | + | 61.3053i | 101.146 | + | 84.8713i | 32.0000 | − | 55.4256i | −117.645 | − | 212.623i | −188.052 | − | 325.716i |
7.4 | 3.75877 | − | 1.36808i | −1.40563 | − | 15.5250i | 12.2567 | − | 10.2846i | −5.44857 | − | 30.9004i | −26.5228 | − | 56.4317i | −17.3216 | − | 14.5345i | 32.0000 | − | 55.4256i | −239.048 | + | 43.6445i | −62.7541 | − | 108.693i |
7.5 | 3.75877 | − | 1.36808i | 4.04068 | + | 15.0557i | 12.2567 | − | 10.2846i | 7.13247 | + | 40.4503i | 35.7853 | + | 51.0628i | 22.9271 | + | 19.2381i | 32.0000 | − | 55.4256i | −210.346 | + | 121.670i | 82.1485 | + | 142.285i |
7.6 | 3.75877 | − | 1.36808i | 15.0623 | − | 4.01585i | 12.2567 | − | 10.2846i | 5.41912 | + | 30.7334i | 51.1217 | − | 35.7011i | 106.533 | + | 89.3920i | 32.0000 | − | 55.4256i | 210.746 | − | 120.976i | 62.4149 | + | 108.106i |
7.7 | 3.75877 | − | 1.36808i | 15.5244 | + | 1.41130i | 12.2567 | − | 10.2846i | −13.6705 | − | 77.5294i | 60.2836 | − | 15.9339i | −175.671 | − | 147.405i | 32.0000 | − | 55.4256i | 239.016 | + | 43.8193i | −157.451 | − | 272.713i |
13.1 | −0.694593 | − | 3.93923i | −14.3789 | − | 6.02064i | −15.0351 | + | 5.47232i | −49.2928 | − | 41.3615i | −13.7292 | + | 60.8236i | −5.96191 | − | 2.16996i | 32.0000 | + | 55.4256i | 170.504 | + | 173.140i | −128.694 | + | 222.905i |
13.2 | −0.694593 | − | 3.93923i | −10.0412 | + | 11.9237i | −15.0351 | + | 5.47232i | 1.32277 | + | 1.10993i | 53.9448 | + | 31.2724i | 17.8430 | + | 6.49433i | 32.0000 | + | 55.4256i | −41.3498 | − | 239.456i | 3.45350 | − | 5.98163i |
13.3 | −0.694593 | − | 3.93923i | −9.03421 | − | 12.7037i | −15.0351 | + | 5.47232i | 83.9727 | + | 70.4614i | −43.7676 | + | 44.4117i | 91.0411 | + | 33.1362i | 32.0000 | + | 55.4256i | −79.7663 | + | 229.535i | 219.237 | − | 379.730i |
13.4 | −0.694593 | − | 3.93923i | 5.70292 | + | 14.5078i | −15.0351 | + | 5.47232i | −52.5534 | − | 44.0975i | 53.1884 | − | 32.5421i | 163.977 | + | 59.6829i | 32.0000 | + | 55.4256i | −177.953 | + | 165.474i | −137.207 | + | 237.650i |
13.5 | −0.694593 | − | 3.93923i | 5.82228 | + | 14.4603i | −15.0351 | + | 5.47232i | 63.6116 | + | 53.3765i | 52.9185 | − | 32.9793i | −201.426 | − | 73.3131i | 32.0000 | + | 55.4256i | −175.202 | + | 168.384i | 166.078 | − | 287.656i |
13.6 | −0.694593 | − | 3.93923i | 5.83321 | − | 14.4559i | −15.0351 | + | 5.47232i | −11.4963 | − | 9.64656i | −60.9969 | − | 12.9374i | −96.8610 | − | 35.2545i | 32.0000 | + | 55.4256i | −174.947 | − | 168.649i | −30.0148 | + | 51.9871i |
13.7 | −0.694593 | − | 3.93923i | 15.5034 | − | 1.62578i | −15.0351 | + | 5.47232i | 25.3376 | + | 21.2608i | −17.1729 | − | 59.9424i | 116.279 | + | 42.3220i | 32.0000 | + | 55.4256i | 237.714 | − | 50.4103i | 66.1517 | − | 114.578i |
25.1 | −0.694593 | + | 3.93923i | −14.3789 | + | 6.02064i | −15.0351 | − | 5.47232i | −49.2928 | + | 41.3615i | −13.7292 | − | 60.8236i | −5.96191 | + | 2.16996i | 32.0000 | − | 55.4256i | 170.504 | − | 173.140i | −128.694 | − | 222.905i |
25.2 | −0.694593 | + | 3.93923i | −10.0412 | − | 11.9237i | −15.0351 | − | 5.47232i | 1.32277 | − | 1.10993i | 53.9448 | − | 31.2724i | 17.8430 | − | 6.49433i | 32.0000 | − | 55.4256i | −41.3498 | + | 239.456i | 3.45350 | + | 5.98163i |
25.3 | −0.694593 | + | 3.93923i | −9.03421 | + | 12.7037i | −15.0351 | − | 5.47232i | 83.9727 | − | 70.4614i | −43.7676 | − | 44.4117i | 91.0411 | − | 33.1362i | 32.0000 | − | 55.4256i | −79.7663 | − | 229.535i | 219.237 | + | 379.730i |
25.4 | −0.694593 | + | 3.93923i | 5.70292 | − | 14.5078i | −15.0351 | − | 5.47232i | −52.5534 | + | 44.0975i | 53.1884 | + | 32.5421i | 163.977 | − | 59.6829i | 32.0000 | − | 55.4256i | −177.953 | − | 165.474i | −137.207 | − | 237.650i |
25.5 | −0.694593 | + | 3.93923i | 5.82228 | − | 14.4603i | −15.0351 | − | 5.47232i | 63.6116 | − | 53.3765i | 52.9185 | + | 32.9793i | −201.426 | + | 73.3131i | 32.0000 | − | 55.4256i | −175.202 | − | 168.384i | 166.078 | + | 287.656i |
25.6 | −0.694593 | + | 3.93923i | 5.83321 | + | 14.4559i | −15.0351 | − | 5.47232i | −11.4963 | + | 9.64656i | −60.9969 | + | 12.9374i | −96.8610 | + | 35.2545i | 32.0000 | − | 55.4256i | −174.947 | + | 168.649i | −30.0148 | − | 51.9871i |
See all 42 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
27.e | even | 9 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 54.6.e.a | ✓ | 42 |
3.b | odd | 2 | 1 | 162.6.e.a | 42 | ||
27.e | even | 9 | 1 | inner | 54.6.e.a | ✓ | 42 |
27.f | odd | 18 | 1 | 162.6.e.a | 42 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
54.6.e.a | ✓ | 42 | 1.a | even | 1 | 1 | trivial |
54.6.e.a | ✓ | 42 | 27.e | even | 9 | 1 | inner |
162.6.e.a | 42 | 3.b | odd | 2 | 1 | ||
162.6.e.a | 42 | 27.f | odd | 18 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{42} - 87 T_{5}^{41} + 11124 T_{5}^{40} - 423687 T_{5}^{39} + 63335799 T_{5}^{38} + \cdots + 11\!\cdots\!49 \) acting on \(S_{6}^{\mathrm{new}}(54, [\chi])\).