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G = D8:6D4order 128 = 27

5th semidirect product of D8 and D4 acting via D4/C4=C2

p-group, metabelian, nilpotent (class 3), monomial

Aliases: D8:6D4, Q16:6D4, SD16oSD16, SD16:12D4, C42.456C23, M4(2).16C23, 2+ 1+4:3C22, C22.42+ 1+4, 2- 1+4.4C22, C2.75D42, C8oD8:9C2, C8.12(C2xD4), D4:4D4:6C2, C8:5D4:10C2, (C4xC8):34C22, D4oSD16:4C2, D4.34(C2xD4), C8oD4:5C22, C4:Q8:19C22, C4wrC2:13C22, Q8.34(C2xD4), D4.3D4:6C2, (C2xC4).24C24, D4.10D4:6C2, (C2xQ8).8C23, (C2xC8).288C23, C4oD4.13C23, C4oD8.28C22, (C2xD4).10C23, C4.105(C22xD4), C4.D4:4C22, C8:C22.2C22, C8.C22:4C22, C8.C4:20C22, (C2xSD16):32C22, C4:1D4.81C22, C4.10D4:5C22, 2-Sylow(CSO+(4,3)), SmallGroup(128,2023)

Series: Derived Chief Lower central Upper central Jennings

C1C2xC4 — D8:6D4
C1C2C4C2xC4C4oD42+ 1+4D4oSD16 — D8:6D4
C1C2C2xC4 — D8:6D4
C1C2C2xC4 — D8:6D4
C1C2C2C2xC4 — D8:6D4

Generators and relations for D8:6D4
 G = < a,b,c,d | a8=b2=c4=d2=1, bab=a-1, ac=ca, dad=a3, cbc-1=a6b, bd=db, dcd=c-1 >

Subgroups: 492 in 230 conjugacy classes, 92 normal (10 characteristic)
C1, C2, C2, C4, C4, C22, C22, C8, C8, C2xC4, C2xC4, D4, D4, Q8, Q8, C23, C42, C4:C4, C2xC8, C2xC8, M4(2), M4(2), D8, D8, SD16, SD16, Q16, Q16, C2xD4, C2xD4, C2xQ8, C2xQ8, C4oD4, C4oD4, C4xC8, C4.D4, C4.10D4, C4wrC2, C8.C4, C4:1D4, C4:Q8, C8oD4, C2xSD16, C2xSD16, C4oD8, C4oD8, C8:C22, C8:C22, C8.C22, C8.C22, 2+ 1+4, 2- 1+4, C8oD8, D4:4D4, D4.10D4, D4.3D4, C8:5D4, D4oSD16, D8:6D4
Quotients: C1, C2, C22, D4, C23, C2xD4, C24, C22xD4, 2+ 1+4, D42, D8:6D4

Character table of D8:6D4

 class 12A2B2C2D2E2F2G2H4A4B4C4D4E4F4G4H4I4J8A8B8C8D8E8F8G8H8I8J
 size 11244448822444444882222448888
ρ111111111111111111111111111111    trivial
ρ2111-1-1-1-111111-1-1-1-1111111111-1-1-1-1    linear of order 2
ρ311111-111-111-1-1111-11-111-1-11-1-11-1-1    linear of order 2
ρ4111-1-11-11-111-11-1-1-1-11-111-1-11-11-111    linear of order 2
ρ5111111-1-1111-11-111-11-1-1-111-11-1-1-11    linear of order 2
ρ6111-1-1-11-1111-1-11-1-1-11-1-1-111-11111-1    linear of order 2
ρ711111-1-1-1-1111-1-111111-1-1-1-1-1-11-11-1    linear of order 2
ρ8111-1-111-1-111111-1-1111-1-1-1-1-1-1-11-11    linear of order 2
ρ91111-1-1111111-111-11-1-1-1-1-1-1-1-1-1-111    linear of order 2
ρ10111-111-1111111-1-111-1-1-1-1-1-1-1-111-1-1    linear of order 2
ρ111111-1111-111-1111-1-1-11-1-111-111-1-1-1    linear of order 2
ρ12111-11-1-11-111-1-1-1-11-1-11-1-111-11-1111    linear of order 2
ρ131111-1-1-1-1111-1-1-11-1-1-1111-1-11-111-11    linear of order 2
ρ14111-1111-1111-111-11-1-1111-1-11-1-1-11-1    linear of order 2
ρ151111-11-1-1-11111-11-11-1-1111111-111-1    linear of order 2
ρ16111-11-11-1-1111-11-111-1-11111111-1-11    linear of order 2
ρ1722-22020002-20-20-2000000-2-2020000    orthogonal lifted from D4
ρ1822-20-20-200-2200202000-2-200200000    orthogonal lifted from D4
ρ1922-2020-200-220020-20002200-200000    orthogonal lifted from D4
ρ2022-2-20-20002-20202000000-2-2020000    orthogonal lifted from D4
ρ2122-2-2020002-20-202000000220-20000    orthogonal lifted from D4
ρ2222-20-20200-2200-2020002200-200000    orthogonal lifted from D4
ρ2322-2020200-2200-20-2000-2-200200000    orthogonal lifted from D4
ρ2422-220-20002-2020-2000000220-20000    orthogonal lifted from D4
ρ25444000000-4-4000000000000000000    orthogonal lifted from 2+ 1+4
ρ264-400000000020000-200-2-22-2-2-22-2000000    complex faithful
ρ274-400000000020000-2002-2-2-22-2-2-2000000    complex faithful
ρ284-4000000000-200002002-2-2-2-2-22-2000000    complex faithful
ρ294-4000000000-20000200-2-22-22-2-2-2000000    complex faithful

Permutation representations of D8:6D4
On 16 points - transitive group 16T328
Generators in S16
(1 2 3 4 5 6 7 8)(9 10 11 12 13 14 15 16)
(1 14)(2 13)(3 12)(4 11)(5 10)(6 9)(7 16)(8 15)
(1 5)(2 6)(3 7)(4 8)(9 11 13 15)(10 12 14 16)
(1 5)(2 8)(4 6)(9 11)(10 14)(13 15)

G:=sub<Sym(16)| (1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16), (1,14)(2,13)(3,12)(4,11)(5,10)(6,9)(7,16)(8,15), (1,5)(2,6)(3,7)(4,8)(9,11,13,15)(10,12,14,16), (1,5)(2,8)(4,6)(9,11)(10,14)(13,15)>;

G:=Group( (1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16), (1,14)(2,13)(3,12)(4,11)(5,10)(6,9)(7,16)(8,15), (1,5)(2,6)(3,7)(4,8)(9,11,13,15)(10,12,14,16), (1,5)(2,8)(4,6)(9,11)(10,14)(13,15) );

G=PermutationGroup([[(1,2,3,4,5,6,7,8),(9,10,11,12,13,14,15,16)], [(1,14),(2,13),(3,12),(4,11),(5,10),(6,9),(7,16),(8,15)], [(1,5),(2,6),(3,7),(4,8),(9,11,13,15),(10,12,14,16)], [(1,5),(2,8),(4,6),(9,11),(10,14),(13,15)]])

G:=TransitiveGroup(16,328);

Matrix representation of D8:6D4 in GL4(F3) generated by

1010
2011
0120
2120
,
0012
2011
2221
1221
,
0121
0102
1220
2122
,
2210
1202
1112
1211
G:=sub<GL(4,GF(3))| [1,2,0,2,0,0,1,1,1,1,2,2,0,1,0,0],[0,2,2,1,0,0,2,2,1,1,2,2,2,1,1,1],[0,0,1,2,1,1,2,1,2,0,2,2,1,2,0,2],[2,1,1,1,2,2,1,2,1,0,1,1,0,2,2,1] >;

D8:6D4 in GAP, Magma, Sage, TeX

D_8\rtimes_6D_4
% in TeX

G:=Group("D8:6D4");
// GroupNames label

G:=SmallGroup(128,2023);
// by ID

G=gap.SmallGroup(128,2023);
# by ID

G:=PCGroup([7,-2,2,2,2,-2,2,-2,448,253,758,723,346,2804,1411,375,172,4037,1027,124]);
// Polycyclic

G:=Group<a,b,c,d|a^8=b^2=c^4=d^2=1,b*a*b=a^-1,a*c=c*a,d*a*d=a^3,c*b*c^-1=a^6*b,b*d=d*b,d*c*d=c^-1>;
// generators/relations

Export

Character table of D8:6D4 in TeX

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