direct product, p-group, metabelian, nilpotent (class 3), monomial
Aliases: C2xC4.D4, C24.2C4, M4(2):8C22, (C2xD4).6C4, C4.44(C2xD4), (C2xC4).120D4, C23.4(C2xC4), (C2xC4).1C23, (C2xM4(2)):8C2, (C22xD4).5C2, C4.10(C22:C4), (C2xD4).44C22, C22.8(C22xC4), (C22xC4).31C22, C22.30(C22:C4), (C2xC4).20(C2xC4), C2.14(C2xC22:C4), SmallGroup(64,92)
Series: Derived ►Chief ►Lower central ►Upper central ►Jennings
Generators and relations for C2xC4.D4
G = < a,b,c,d | a2=b4=1, c4=b2, d2=b, ab=ba, ac=ca, ad=da, cbc-1=b-1, bd=db, dcd-1=b-1c3 >
Subgroups: 185 in 93 conjugacy classes, 41 normal (11 characteristic)
C1, C2, C2, C2, C4, C22, C22, C8, C2xC4, C2xC4, D4, C23, C23, C23, C2xC8, M4(2), M4(2), C22xC4, C2xD4, C2xD4, C24, C4.D4, C2xM4(2), C22xD4, C2xC4.D4
Quotients: C1, C2, C4, C22, C2xC4, D4, C23, C22:C4, C22xC4, C2xD4, C4.D4, C2xC22:C4, C2xC4.D4
Character table of C2xC4.D4
class | 1 | 2A | 2B | 2C | 2D | 2E | 2F | 2G | 2H | 2I | 4A | 4B | 4C | 4D | 8A | 8B | 8C | 8D | 8E | 8F | 8G | 8H | |
size | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
ρ1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | trivial |
ρ2 | 1 | -1 | 1 | -1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | 1 | -1 | 1 | -1 | 1 | 1 | linear of order 2 |
ρ3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | linear of order 2 |
ρ4 | 1 | -1 | 1 | -1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | -1 | 1 | 1 | 1 | 1 | -1 | 1 | -1 | 1 | -1 | -1 | linear of order 2 |
ρ5 | 1 | -1 | 1 | -1 | -1 | 1 | 1 | -1 | 1 | -1 | -1 | -1 | 1 | 1 | -1 | 1 | -1 | 1 | 1 | -1 | 1 | -1 | linear of order 2 |
ρ6 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | 1 | 1 | -1 | linear of order 2 |
ρ7 | 1 | -1 | 1 | -1 | -1 | 1 | 1 | -1 | 1 | -1 | -1 | -1 | 1 | 1 | 1 | -1 | 1 | -1 | -1 | 1 | -1 | 1 | linear of order 2 |
ρ8 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | 1 | 1 | 1 | 1 | -1 | 1 | 1 | 1 | -1 | -1 | -1 | 1 | linear of order 2 |
ρ9 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | 1 | 1 | -1 | -1 | -1 | -1 | -1 | i | -i | i | i | -i | -i | i | -i | linear of order 4 |
ρ10 | 1 | -1 | 1 | -1 | -1 | 1 | 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | -i | i | i | -i | -i | i | i | -i | linear of order 4 |
ρ11 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | 1 | 1 | -1 | -1 | -1 | -1 | -1 | -i | i | -i | -i | i | i | -i | i | linear of order 4 |
ρ12 | 1 | -1 | 1 | -1 | -1 | 1 | 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | i | -i | -i | i | i | -i | -i | i | linear of order 4 |
ρ13 | 1 | -1 | 1 | -1 | -1 | 1 | -1 | -1 | 1 | 1 | 1 | 1 | -1 | -1 | -i | -i | -i | i | -i | i | i | i | linear of order 4 |
ρ14 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | 1 | -1 | -1 | -1 | -1 | i | i | -i | -i | -i | -i | i | i | linear of order 4 |
ρ15 | 1 | -1 | 1 | -1 | -1 | 1 | -1 | -1 | 1 | 1 | 1 | 1 | -1 | -1 | i | i | i | -i | i | -i | -i | -i | linear of order 4 |
ρ16 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 | -1 | 1 | -1 | -1 | -1 | -1 | -i | -i | i | i | i | i | -i | -i | linear of order 4 |
ρ17 | 2 | -2 | 2 | -2 | 2 | -2 | 0 | 0 | 0 | 0 | -2 | 2 | -2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | orthogonal lifted from D4 |
ρ18 | 2 | 2 | 2 | 2 | -2 | -2 | 0 | 0 | 0 | 0 | -2 | 2 | 2 | -2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | orthogonal lifted from D4 |
ρ19 | 2 | -2 | 2 | -2 | 2 | -2 | 0 | 0 | 0 | 0 | 2 | -2 | 2 | -2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | orthogonal lifted from D4 |
ρ20 | 2 | 2 | 2 | 2 | -2 | -2 | 0 | 0 | 0 | 0 | 2 | -2 | -2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | orthogonal lifted from D4 |
ρ21 | 4 | 4 | -4 | -4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | orthogonal lifted from C4.D4 |
ρ22 | 4 | -4 | -4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | orthogonal lifted from C4.D4 |
(1 11)(2 12)(3 13)(4 14)(5 15)(6 16)(7 9)(8 10)
(1 13 5 9)(2 10 6 14)(3 15 7 11)(4 12 8 16)
(1 2 3 4 5 6 7 8)(9 10 11 12 13 14 15 16)
(1 10 13 6 5 14 9 2)(3 16 15 4 7 12 11 8)
G:=sub<Sym(16)| (1,11)(2,12)(3,13)(4,14)(5,15)(6,16)(7,9)(8,10), (1,13,5,9)(2,10,6,14)(3,15,7,11)(4,12,8,16), (1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16), (1,10,13,6,5,14,9,2)(3,16,15,4,7,12,11,8)>;
G:=Group( (1,11)(2,12)(3,13)(4,14)(5,15)(6,16)(7,9)(8,10), (1,13,5,9)(2,10,6,14)(3,15,7,11)(4,12,8,16), (1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16), (1,10,13,6,5,14,9,2)(3,16,15,4,7,12,11,8) );
G=PermutationGroup([[(1,11),(2,12),(3,13),(4,14),(5,15),(6,16),(7,9),(8,10)], [(1,13,5,9),(2,10,6,14),(3,15,7,11),(4,12,8,16)], [(1,2,3,4,5,6,7,8),(9,10,11,12,13,14,15,16)], [(1,10,13,6,5,14,9,2),(3,16,15,4,7,12,11,8)]])
G:=TransitiveGroup(16,72);
(1 11)(2 12)(3 13)(4 14)(5 15)(6 16)(7 9)(8 10)
(1 3 5 7)(2 8 6 4)(9 11 13 15)(10 16 14 12)
(1 2 3 4 5 6 7 8)(9 10 11 12 13 14 15 16)
(1 10 3 16 5 14 7 12)(2 11 8 13 6 15 4 9)
G:=sub<Sym(16)| (1,11)(2,12)(3,13)(4,14)(5,15)(6,16)(7,9)(8,10), (1,3,5,7)(2,8,6,4)(9,11,13,15)(10,16,14,12), (1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16), (1,10,3,16,5,14,7,12)(2,11,8,13,6,15,4,9)>;
G:=Group( (1,11)(2,12)(3,13)(4,14)(5,15)(6,16)(7,9)(8,10), (1,3,5,7)(2,8,6,4)(9,11,13,15)(10,16,14,12), (1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16), (1,10,3,16,5,14,7,12)(2,11,8,13,6,15,4,9) );
G=PermutationGroup([[(1,11),(2,12),(3,13),(4,14),(5,15),(6,16),(7,9),(8,10)], [(1,3,5,7),(2,8,6,4),(9,11,13,15),(10,16,14,12)], [(1,2,3,4,5,6,7,8),(9,10,11,12,13,14,15,16)], [(1,10,3,16,5,14,7,12),(2,11,8,13,6,15,4,9)]])
G:=TransitiveGroup(16,99);
C2xC4.D4 is a maximal subgroup of
C24.5D4 C25.C4 (C23xC4).C4 2+ 1+4:3C4 C42.96D4 C24.6(C2xC4) C24.21D4 C24.23D4 C24.24D4 M4(2):20D4 M4(2).47D4 M4(2).48D4 C42:D4 M4(2):21D4 C4.D4:3C4 M4(2):12D4 C42.115D4 M4(2).31D4 M4(2).32D4 C42:9D4 C42:10D4 M4(2).4D4 M4(2).5D4 M4(2):6D4 C4:C4.96D4 C4:C4.97D4 M4(2).8D4 M4(2).10D4 M4(2).12D4 C24.Q8 (C2xC8).D4 C24.36D4 M4(2).24C23 M4(2):C23 M4(2).37D4 D5:(C4.D4)
C2xC4.D4 is a maximal quotient of
C42.393D4 C25.3C4 C42.43D4 C42.395D4 C24.(C2xC4) C42.405D4 C42.407D4 C42.67D4 C42.70D4 C42.73D4 C42.411D4 C42.413D4 C42.415D4 C42.80D4 C42.82D4 C42.85D4 C42.87D4 C25.C4 C42.96D4 (C22xC4).275D4 M4(2):20D4 M4(2):12D4 M4(2):8Q8 D5:(C4.D4)
Matrix representation of C2xC4.D4 ►in GL6(Z)
-1 | 0 | 0 | 0 | 0 | 0 |
0 | -1 | 0 | 0 | 0 | 0 |
0 | 0 | 1 | 0 | 0 | 0 |
0 | 0 | 0 | 1 | 0 | 0 |
0 | 0 | 0 | 0 | 1 | 0 |
0 | 0 | 0 | 0 | 0 | 1 |
1 | 0 | 0 | 0 | 0 | 0 |
0 | 1 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 1 | 0 | 0 |
0 | 0 | -1 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 | 1 |
0 | 0 | 0 | 0 | -1 | 0 |
-1 | -1 | 0 | 0 | 0 | 0 |
2 | 1 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | 0 | 1 |
0 | 0 | 0 | 0 | 1 | 0 |
0 | 0 | 1 | 0 | 0 | 0 |
0 | 0 | 0 | -1 | 0 | 0 |
1 | 1 | 0 | 0 | 0 | 0 |
0 | -1 | 0 | 0 | 0 | 0 |
0 | 0 | 0 | 0 | -1 | 0 |
0 | 0 | 0 | 0 | 0 | -1 |
0 | 0 | 0 | -1 | 0 | 0 |
0 | 0 | 1 | 0 | 0 | 0 |
G:=sub<GL(6,Integers())| [-1,0,0,0,0,0,0,-1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1],[1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,-1,0,0,0,0,1,0,0,0,0,0,0,0,0,-1,0,0,0,0,1,0],[-1,2,0,0,0,0,-1,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,-1,0,0,0,1,0,0,0,0,1,0,0,0],[1,0,0,0,0,0,1,-1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,-1,0,0,0,-1,0,0,0,0,0,0,-1,0,0] >;
C2xC4.D4 in GAP, Magma, Sage, TeX
C_2\times C_4.D_4
% in TeX
G:=Group("C2xC4.D4");
// GroupNames label
G:=SmallGroup(64,92);
// by ID
G=gap.SmallGroup(64,92);
# by ID
G:=PCGroup([6,-2,2,2,-2,2,-2,96,121,963,730,88]);
// Polycyclic
G:=Group<a,b,c,d|a^2=b^4=1,c^4=b^2,d^2=b,a*b=b*a,a*c=c*a,a*d=d*a,c*b*c^-1=b^-1,b*d=d*b,d*c*d^-1=b^-1*c^3>;
// generators/relations
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