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G = C42.45C23order 128 = 27

45th non-split extension by C42 of C23 acting faithfully

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

Aliases: C42.45C23, C4.552+ 1+4, D42.5C2, C8:D4:36C2, C8:9D4:13C2, C8:8D4:49C2, C4:C8:33C22, C4:C4.155D4, D4.Q8:35C2, C4:SD16:21C2, (C2xD4).315D4, (C2xC8).96C23, C22:C4.48D4, (C4xQ8):26C22, C8:C4:22C22, C2.D8:35C22, C4.Q8:39C22, D4.22(C4oD4), C22:SD16:20C2, C4:C4.233C23, C22:C8:29C22, (C2xC4).502C24, (C22xC8):42C22, C23.321(C2xD4), C22:Q8:17C22, SD16:C4:33C2, C42.C2:9C22, D4:C4:40C22, C2.74(D4oSD16), Q8:C4:56C22, (C2xSD16):53C22, (C4xD4).155C22, (C2xD4).422C23, C4:1D4.87C22, C22.D8:27C2, C4:D4.81C22, C22.9(C8:C22), (C2xQ8).215C23, C2.138(D4:5D4), C42:C2:22C22, C23.19D4:31C2, C23.37D4:12C2, (C2xM4(2)):27C22, C22.762(C22xD4), C42.29C22:9C2, (C22xC4).1146C23, C22.46C24:3C2, (C22xD4).410C22, (C2xC4:C4):58C22, C4.227(C2xC4oD4), (C2xC4).599(C2xD4), C2.76(C2xC8:C22), (C2xD4:C4):43C2, SmallGroup(128,2042)

Series: Derived Chief Lower central Upper central Jennings

C1C2xC4 — C42.45C23
C1C2C4C2xC4C22xC4C22xD4D42 — C42.45C23
C1C2C2xC4 — C42.45C23
C1C22C4xD4 — C42.45C23
C1C2C2C2xC4 — C42.45C23

Generators and relations for C42.45C23
 G = < a,b,c,d,e | a4=b4=d2=1, c2=a2b2, e2=b2, ab=ba, cac-1=eae-1=a-1b2, dad=ab2, cbc-1=dbd=b-1, be=eb, dcd=bc, ece-1=a2b2c, ede-1=b2d >

Subgroups: 536 in 225 conjugacy classes, 88 normal (84 characteristic)
C1, C2, C2, C4, C4, C22, C22, C22, C8, C2xC4, C2xC4, D4, D4, Q8, C23, C23, C42, C42, C22:C4, C22:C4, C4:C4, C4:C4, C2xC8, C2xC8, M4(2), SD16, C22xC4, C22xC4, C2xD4, C2xD4, C2xQ8, C24, C8:C4, C22:C8, D4:C4, Q8:C4, C4:C8, C4.Q8, C2.D8, C2xC4:C4, C42:C2, C42:C2, C4xD4, C4xQ8, C22wrC2, C4:D4, C4:D4, C22:Q8, C22.D4, C42.C2, C42.C2, C42:2C2, C4:1D4, C22xC8, C2xM4(2), C2xSD16, C22xD4, C22xD4, C2xD4:C4, C23.37D4, C8:9D4, SD16:C4, C22:SD16, C4:SD16, C8:8D4, C8:D4, D4.Q8, C22.D8, C23.19D4, C42.29C22, D42, C22.46C24, C42.45C23
Quotients: C1, C2, C22, D4, C23, C2xD4, C4oD4, C24, C8:C22, C22xD4, C2xC4oD4, 2+ 1+4, D4:5D4, C2xC8:C22, D4oSD16, C42.45C23

Character table of C42.45C23

 class 12A2B2C2D2E2F2G2H2I2J4A4B4C4D4E4F4G4H4I4J4K4L8A8B8C8D8E8F
 size 11112244488224444448888444488
ρ111111111111111111111111111111    trivial
ρ21111-1-1-1-111-11111-1-11-11-11-11-11-1-11    linear of order 2
ρ311111111-11-111-1-1-11-1-11-1-11-1-1-1-111    linear of order 2
ρ41111-1-1-1-1-11111-1-11-1-1111-1-1-11-11-11    linear of order 2
ρ51111-1-1111-111111-1-11-11-1-1-1-11-111-1    linear of order 2
ρ6111111-1-11-1-11111111111-11-1-1-1-1-1-1    linear of order 2
ρ71111-1-111-1-1-111-1-11-1-11111-11-11-11-1    linear of order 2
ρ8111111-1-1-1-1111-1-1-11-1-11-1111111-1-1    linear of order 2
ρ9111111-1-1-1-11111-1-111-1-111-1-1-1-1-111    linear of order 2
ρ101111-1-111-1-1-1111-11-111-1-111-11-11-11    linear of order 2
ρ11111111-1-11-1-111-1111-11-1-1-1-1111111    linear of order 2
ρ121111-1-1111-1111-11-1-1-1-1-11-111-11-1-11    linear of order 2
ρ131111-1-1-1-1-111111-11-111-1-1-111-11-11-1    linear of order 2
ρ1411111111-11-1111-1-111-1-11-1-11111-1-1    linear of order 2
ρ151111-1-1-1-111-111-11-1-1-1-1-1111-11-111-1    linear of order 2
ρ161111111111111-1111-11-1-11-1-1-1-1-1-1-1    linear of order 2
ρ1722222200-200-2-2022-20-20000000000    orthogonal lifted from D4
ρ1822222200200-2-20-2-2-2020000000000    orthogonal lifted from D4
ρ192222-2-200-200-2-202-22020000000000    orthogonal lifted from D4
ρ202222-2-200200-2-20-2220-20000000000    orthogonal lifted from D4
ρ212-22-2002-20002-22i000-2i000000-2i02i00    complex lifted from C4oD4
ρ222-22-200-220002-2-2i0002i000000-2i02i00    complex lifted from C4oD4
ρ232-22-200-220002-22i000-2i0000002i0-2i00    complex lifted from C4oD4
ρ242-22-2002-20002-2-2i0002i0000002i0-2i00    complex lifted from C4oD4
ρ254-4-444-400000000000000000000000    orthogonal lifted from C8:C22
ρ264-44-40000000-440000000000000000    orthogonal lifted from 2+ 1+4
ρ274-4-44-4400000000000000000000000    orthogonal lifted from C8:C22
ρ2844-4-40000000000000000000-2-202-2000    complex lifted from D4oSD16
ρ2944-4-400000000000000000002-20-2-2000    complex lifted from D4oSD16

Smallest permutation representation of C42.45C23
On 32 points
Generators in S32
(1 2 3 4)(5 6 7 8)(9 10 11 12)(13 14 15 16)(17 18 19 20)(21 22 23 24)(25 26 27 28)(29 30 31 32)
(1 28 24 19)(2 25 21 20)(3 26 22 17)(4 27 23 18)(5 12 15 31)(6 9 16 32)(7 10 13 29)(8 11 14 30)
(1 10 22 31)(2 32 23 11)(3 12 24 29)(4 30 21 9)(5 19 13 26)(6 27 14 20)(7 17 15 28)(8 25 16 18)
(1 22)(2 4)(3 24)(5 29)(6 11)(7 31)(8 9)(10 15)(12 13)(14 32)(16 30)(17 19)(18 25)(20 27)(21 23)(26 28)
(1 23 24 4)(2 3 21 22)(5 14 15 8)(6 7 16 13)(9 10 32 29)(11 12 30 31)(17 25 26 20)(18 19 27 28)

G:=sub<Sym(32)| (1,2,3,4)(5,6,7,8)(9,10,11,12)(13,14,15,16)(17,18,19,20)(21,22,23,24)(25,26,27,28)(29,30,31,32), (1,28,24,19)(2,25,21,20)(3,26,22,17)(4,27,23,18)(5,12,15,31)(6,9,16,32)(7,10,13,29)(8,11,14,30), (1,10,22,31)(2,32,23,11)(3,12,24,29)(4,30,21,9)(5,19,13,26)(6,27,14,20)(7,17,15,28)(8,25,16,18), (1,22)(2,4)(3,24)(5,29)(6,11)(7,31)(8,9)(10,15)(12,13)(14,32)(16,30)(17,19)(18,25)(20,27)(21,23)(26,28), (1,23,24,4)(2,3,21,22)(5,14,15,8)(6,7,16,13)(9,10,32,29)(11,12,30,31)(17,25,26,20)(18,19,27,28)>;

G:=Group( (1,2,3,4)(5,6,7,8)(9,10,11,12)(13,14,15,16)(17,18,19,20)(21,22,23,24)(25,26,27,28)(29,30,31,32), (1,28,24,19)(2,25,21,20)(3,26,22,17)(4,27,23,18)(5,12,15,31)(6,9,16,32)(7,10,13,29)(8,11,14,30), (1,10,22,31)(2,32,23,11)(3,12,24,29)(4,30,21,9)(5,19,13,26)(6,27,14,20)(7,17,15,28)(8,25,16,18), (1,22)(2,4)(3,24)(5,29)(6,11)(7,31)(8,9)(10,15)(12,13)(14,32)(16,30)(17,19)(18,25)(20,27)(21,23)(26,28), (1,23,24,4)(2,3,21,22)(5,14,15,8)(6,7,16,13)(9,10,32,29)(11,12,30,31)(17,25,26,20)(18,19,27,28) );

G=PermutationGroup([[(1,2,3,4),(5,6,7,8),(9,10,11,12),(13,14,15,16),(17,18,19,20),(21,22,23,24),(25,26,27,28),(29,30,31,32)], [(1,28,24,19),(2,25,21,20),(3,26,22,17),(4,27,23,18),(5,12,15,31),(6,9,16,32),(7,10,13,29),(8,11,14,30)], [(1,10,22,31),(2,32,23,11),(3,12,24,29),(4,30,21,9),(5,19,13,26),(6,27,14,20),(7,17,15,28),(8,25,16,18)], [(1,22),(2,4),(3,24),(5,29),(6,11),(7,31),(8,9),(10,15),(12,13),(14,32),(16,30),(17,19),(18,25),(20,27),(21,23),(26,28)], [(1,23,24,4),(2,3,21,22),(5,14,15,8),(6,7,16,13),(9,10,32,29),(11,12,30,31),(17,25,26,20),(18,19,27,28)]])

Matrix representation of C42.45C23 in GL6(F17)

1150000
1160000
000010
000001
001000
000100
,
100000
010000
0011500
0011600
0000115
0000116
,
1300000
1340000
0001000
005000
000007
0000120
,
100000
010000
0016000
0016100
000010
0000116
,
1150000
0160000
000010
000001
0016000
0001600

G:=sub<GL(6,GF(17))| [1,1,0,0,0,0,15,16,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,0,0],[1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,15,16,0,0,0,0,0,0,1,1,0,0,0,0,15,16],[13,13,0,0,0,0,0,4,0,0,0,0,0,0,0,5,0,0,0,0,10,0,0,0,0,0,0,0,0,12,0,0,0,0,7,0],[1,0,0,0,0,0,0,1,0,0,0,0,0,0,16,16,0,0,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,16],[1,0,0,0,0,0,15,16,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,16,0,0,1,0,0,0,0,0,0,1,0,0] >;

C42.45C23 in GAP, Magma, Sage, TeX

C_4^2._{45}C_2^3
% in TeX

G:=Group("C4^2.45C2^3");
// GroupNames label

G:=SmallGroup(128,2042);
// by ID

G=gap.SmallGroup(128,2042);
# by ID

G:=PCGroup([7,-2,2,2,2,-2,2,-2,112,253,456,758,723,346,4037,1027,124]);
// Polycyclic

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

Export

Character table of C42.45C23 in TeX

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