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G = C13⋊C8  order 104 = 23·13

The semidirect product of C13 and C8 acting via C8/C2=C4

metacyclic, supersoluble, monomial, Z-group, 2-hyperelementary

Aliases: C13⋊C8, C26.C4, Dic13.2C2, C2.(C13⋊C4), SmallGroup(104,3)

Series: Derived ►Chief ►Lower central ►Upper central

C1 — C13 — C13⋊C8
C1 — C13 — C26 — Dic13 — C13⋊C8
C13 — C13⋊C8
C1 — C2

Generators and relations for C13⋊C8
 G = < a,b | a13=b8=1, bab-1=a5 >

13C4
13C8

Character table of C13⋊C8

 class 124A4B8A8B8C8D13A13B13C26A26B26C
 size 11131313131313444444
ρ111111111111111    trivial
ρ21111-1-1-1-1111111    linear of order 2
ρ311-1-1-ii-ii111111    linear of order 4
ρ411-1-1i-ii-i111111    linear of order 4
ρ51-1-iiζ85ζ87ζ8ζ83111-1-1-1    linear of order 8
ρ61-1-iiζ8ζ83ζ85ζ87111-1-1-1    linear of order 8
ρ71-1i-iζ83ζ8ζ87ζ85111-1-1-1    linear of order 8
ρ81-1i-iζ87ζ85ζ83ζ8111-1-1-1    linear of order 8
ρ944000000ζ139+ζ137+ζ136+ζ134ζ1312+ζ138+ζ135+ζ13ζ1311+ζ1310+ζ133+ζ132ζ1312+ζ138+ζ135+ζ13ζ139+ζ137+ζ136+ζ134ζ1311+ζ1310+ζ133+ζ132    orthogonal lifted from C13⋊C4
ρ1044000000ζ1312+ζ138+ζ135+ζ13ζ1311+ζ1310+ζ133+ζ132ζ139+ζ137+ζ136+ζ134ζ1311+ζ1310+ζ133+ζ132ζ1312+ζ138+ζ135+ζ13ζ139+ζ137+ζ136+ζ134    orthogonal lifted from C13⋊C4
ρ1144000000ζ1311+ζ1310+ζ133+ζ132ζ139+ζ137+ζ136+ζ134ζ1312+ζ138+ζ135+ζ13ζ139+ζ137+ζ136+ζ134ζ1311+ζ1310+ζ133+ζ132ζ1312+ζ138+ζ135+ζ13    orthogonal lifted from C13⋊C4
ρ124-4000000ζ1312+ζ138+ζ135+ζ13ζ1311+ζ1310+ζ133+ζ132ζ139+ζ137+ζ136+ζ134-ζ1311-ζ1310-ζ133-ζ132-ζ1312-ζ138-ζ135-ζ13-ζ139-ζ137-ζ136-ζ134    symplectic faithful, Schur index 2
ρ134-4000000ζ1311+ζ1310+ζ133+ζ132ζ139+ζ137+ζ136+ζ134ζ1312+ζ138+ζ135+ζ13-ζ139-ζ137-ζ136-ζ134-ζ1311-ζ1310-ζ133-ζ132-ζ1312-ζ138-ζ135-ζ13    symplectic faithful, Schur index 2
ρ144-4000000ζ139+ζ137+ζ136+ζ134ζ1312+ζ138+ζ135+ζ13ζ1311+ζ1310+ζ133+ζ132-ζ1312-ζ138-ζ135-ζ13-ζ139-ζ137-ζ136-ζ134-ζ1311-ζ1310-ζ133-ζ132    symplectic faithful, Schur index 2

Smallest permutation representation of C13⋊C8
►Regular action on 104 points
Generators in S104
(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 33 34 35 36 37 38 39)(40 41 42 43 44 45 46 47 48 49 50 51 52)(53 54 55 56 57 58 59 60 61 62 63 64 65)(66 67 68 69 70 71 72 73 74 75 76 77 78)(79 80 81 82 83 84 85 86 87 88 89 90 91)(92 93 94 95 96 97 98 99 100 101 102 103 104)
(1 103 40 73 14 80 27 64)(2 98 52 78 15 88 39 56)(3 93 51 70 16 83 38 61)(4 101 50 75 17 91 37 53)(5 96 49 67 18 86 36 58)(6 104 48 72 19 81 35 63)(7 99 47 77 20 89 34 55)(8 94 46 69 21 84 33 60)(9 102 45 74 22 79 32 65)(10 97 44 66 23 87 31 57)(11 92 43 71 24 82 30 62)(12 100 42 76 25 90 29 54)(13 95 41 68 26 85 28 59)
 
G:=sub<Sym(104)| (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)(27,28,29,30,31,32,33,34,35,36,37,38,39)(40,41,42,43,44,45,46,47,48,49,50,51,52)(53,54,55,56,57,58,59,60,61,62,63,64,65)(66,67,68,69,70,71,72,73,74,75,76,77,78)(79,80,81,82,83,84,85,86,87,88,89,90,91)(92,93,94,95,96,97,98,99,100,101,102,103,104), (1,103,40,73,14,80,27,64)(2,98,52,78,15,88,39,56)(3,93,51,70,16,83,38,61)(4,101,50,75,17,91,37,53)(5,96,49,67,18,86,36,58)(6,104,48,72,19,81,35,63)(7,99,47,77,20,89,34,55)(8,94,46,69,21,84,33,60)(9,102,45,74,22,79,32,65)(10,97,44,66,23,87,31,57)(11,92,43,71,24,82,30,62)(12,100,42,76,25,90,29,54)(13,95,41,68,26,85,28,59)>;
 
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)(27,28,29,30,31,32,33,34,35,36,37,38,39)(40,41,42,43,44,45,46,47,48,49,50,51,52)(53,54,55,56,57,58,59,60,61,62,63,64,65)(66,67,68,69,70,71,72,73,74,75,76,77,78)(79,80,81,82,83,84,85,86,87,88,89,90,91)(92,93,94,95,96,97,98,99,100,101,102,103,104), (1,103,40,73,14,80,27,64)(2,98,52,78,15,88,39,56)(3,93,51,70,16,83,38,61)(4,101,50,75,17,91,37,53)(5,96,49,67,18,86,36,58)(6,104,48,72,19,81,35,63)(7,99,47,77,20,89,34,55)(8,94,46,69,21,84,33,60)(9,102,45,74,22,79,32,65)(10,97,44,66,23,87,31,57)(11,92,43,71,24,82,30,62)(12,100,42,76,25,90,29,54)(13,95,41,68,26,85,28,59) );
 
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),(27,28,29,30,31,32,33,34,35,36,37,38,39),(40,41,42,43,44,45,46,47,48,49,50,51,52),(53,54,55,56,57,58,59,60,61,62,63,64,65),(66,67,68,69,70,71,72,73,74,75,76,77,78),(79,80,81,82,83,84,85,86,87,88,89,90,91),(92,93,94,95,96,97,98,99,100,101,102,103,104)], [(1,103,40,73,14,80,27,64),(2,98,52,78,15,88,39,56),(3,93,51,70,16,83,38,61),(4,101,50,75,17,91,37,53),(5,96,49,67,18,86,36,58),(6,104,48,72,19,81,35,63),(7,99,47,77,20,89,34,55),(8,94,46,69,21,84,33,60),(9,102,45,74,22,79,32,65),(10,97,44,66,23,87,31,57),(11,92,43,71,24,82,30,62),(12,100,42,76,25,90,29,54),(13,95,41,68,26,85,28,59)]])
 

C13⋊C8 is a maximal subgroup of   D13⋊C8  C52.C4  C13⋊M4(2)  C13⋊C24  C39⋊C8
C13⋊C8 is a maximal quotient of   C13⋊C16  C39⋊C8

Matrix representation of C13⋊C8 ►in GL4(𝔽5) generated by

2140
3323
4402
1323
,
0012
0044
1023
0123
G:=sub<GL(4,GF(5))| [2,3,4,1,1,3,4,3,4,2,0,2,0,3,2,3],[0,0,1,0,0,0,0,1,1,4,2,2,2,4,3,3] >;
 

C13⋊C8 in GAP, Magma, Sage, TeX

C_{13}\rtimes C_8
 
% in TeX
 
G:=Group("C13:C8");
 
// GroupNames label
 
G:=SmallGroup(104,3);
 
// by ID
 
G=gap.SmallGroup(104,3);
 
# by ID
 
G:=PCGroup([4,-2,-2,-2,-13,8,21,1027,775]);
 
// Polycyclic
 
G:=Group<a,b|a^13=b^8=1,b*a*b^-1=a^5>;
 
// generators/relations
 

Export

Subgroup lattice of C13⋊C8 in TeX
Character table of C13⋊C8 in TeX

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