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G = D5×D7  order 140 = 22·5·7

Direct product of D5 and D7

direct product, metabelian, supersoluble, monomial, A-group, 2-hyperelementary

Aliases: D5×D7, D35⋊C2, C5⋊1D14, C7⋊1D10, C35⋊C22, (C7×D5)⋊C2, (C5×D7)⋊C2, SmallGroup(140,7)

Series: Derived ►Chief ►Lower central ►Upper central

C1 — C35 — D5×D7
C1 — C7 — C35 — C5×D7 — D5×D7
C35 — D5×D7
C1

Generators and relations for D5×D7
 G = < a,b,c,d | a5=b2=c7=d2=1, bab=a-1, ac=ca, ad=da, bc=cb, bd=db, dcd=c-1 >

5C2
7C2
35C2
35C22
7C10
7D5
5C14
5D7
7D10
5D14

Character table of D5×D7

 class 12A2B2C5A5B7A7B7C10A10B14A14B14C35A35B35C35D35E35F
 size 15735222221414101010444444
ρ111111111111111111111    trivial
ρ211-1-111111-1-1111111111    linear of order 2
ρ31-1-1111111-1-1-1-1-1111111    linear of order 2
ρ41-11-11111111-1-1-1111111    linear of order 2
ρ52020-1-√5/2-1+√5/2222-1+√5/2-1-√5/2000-1+√5/2-1-√5/2-1-√5/2-1+√5/2-1+√5/2-1-√5/2    orthogonal lifted from D5
ρ620-20-1+√5/2-1-√5/22221+√5/21-√5/2000-1-√5/2-1+√5/2-1+√5/2-1-√5/2-1-√5/2-1+√5/2    orthogonal lifted from D10
ρ720-20-1-√5/2-1+√5/22221-√5/21+√5/2000-1+√5/2-1-√5/2-1-√5/2-1+√5/2-1+√5/2-1-√5/2    orthogonal lifted from D10
ρ82020-1+√5/2-1-√5/2222-1-√5/2-1+√5/2000-1-√5/2-1+√5/2-1+√5/2-1-√5/2-1-√5/2-1+√5/2    orthogonal lifted from D5
ρ92-20022ζ76+ζ7ζ74+ζ73ζ75+ζ7200-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72ζ75+ζ72ζ74+ζ73ζ76+ζ7ζ74+ζ73ζ76+ζ7ζ75+ζ72    orthogonal lifted from D14
ρ10220022ζ76+ζ7ζ74+ζ73ζ75+ζ7200ζ74+ζ73ζ76+ζ7ζ75+ζ72ζ75+ζ72ζ74+ζ73ζ76+ζ7ζ74+ζ73ζ76+ζ7ζ75+ζ72    orthogonal lifted from D7
ρ11220022ζ74+ζ73ζ75+ζ72ζ76+ζ700ζ75+ζ72ζ74+ζ73ζ76+ζ7ζ76+ζ7ζ75+ζ72ζ74+ζ73ζ75+ζ72ζ74+ζ73ζ76+ζ7    orthogonal lifted from D7
ρ12220022ζ75+ζ72ζ76+ζ7ζ74+ζ7300ζ76+ζ7ζ75+ζ72ζ74+ζ73ζ74+ζ73ζ76+ζ7ζ75+ζ72ζ76+ζ7ζ75+ζ72ζ74+ζ73    orthogonal lifted from D7
ρ132-20022ζ74+ζ73ζ75+ζ72ζ76+ζ700-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7ζ76+ζ7ζ75+ζ72ζ74+ζ73ζ75+ζ72ζ74+ζ73ζ76+ζ7    orthogonal lifted from D14
ρ142-20022ζ75+ζ72ζ76+ζ7ζ74+ζ7300-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73ζ74+ζ73ζ76+ζ7ζ75+ζ72ζ76+ζ7ζ75+ζ72ζ74+ζ73    orthogonal lifted from D14
ρ154000-1-√5-1+√52ζ75+2ζ722ζ76+2ζ72ζ74+2ζ7300000ζ54ζ74+ζ54ζ73+ζ5ζ74+ζ5ζ73ζ53ζ76+ζ53ζ7+ζ52ζ76+ζ52ζ7ζ53ζ75+ζ53ζ72+ζ52ζ75+ζ52ζ72ζ54ζ76+ζ54ζ7+ζ5ζ76+ζ5ζ7ζ54ζ75+ζ54ζ72+ζ5ζ75+ζ5ζ72ζ53ζ74+ζ53ζ73+ζ52ζ74+ζ52ζ73    orthogonal faithful
ρ164000-1+√5-1-√52ζ74+2ζ732ζ75+2ζ722ζ76+2ζ700000ζ53ζ76+ζ53ζ7+ζ52ζ76+ζ52ζ7ζ54ζ75+ζ54ζ72+ζ5ζ75+ζ5ζ72ζ54ζ74+ζ54ζ73+ζ5ζ74+ζ5ζ73ζ53ζ75+ζ53ζ72+ζ52ζ75+ζ52ζ72ζ53ζ74+ζ53ζ73+ζ52ζ74+ζ52ζ73ζ54ζ76+ζ54ζ7+ζ5ζ76+ζ5ζ7    orthogonal faithful
ρ174000-1+√5-1-√52ζ76+2ζ72ζ74+2ζ732ζ75+2ζ7200000ζ53ζ75+ζ53ζ72+ζ52ζ75+ζ52ζ72ζ54ζ74+ζ54ζ73+ζ5ζ74+ζ5ζ73ζ54ζ76+ζ54ζ7+ζ5ζ76+ζ5ζ7ζ53ζ74+ζ53ζ73+ζ52ζ74+ζ52ζ73ζ53ζ76+ζ53ζ7+ζ52ζ76+ζ52ζ7ζ54ζ75+ζ54ζ72+ζ5ζ75+ζ5ζ72    orthogonal faithful
ρ184000-1-√5-1+√52ζ74+2ζ732ζ75+2ζ722ζ76+2ζ700000ζ54ζ76+ζ54ζ7+ζ5ζ76+ζ5ζ7ζ53ζ75+ζ53ζ72+ζ52ζ75+ζ52ζ72ζ53ζ74+ζ53ζ73+ζ52ζ74+ζ52ζ73ζ54ζ75+ζ54ζ72+ζ5ζ75+ζ5ζ72ζ54ζ74+ζ54ζ73+ζ5ζ74+ζ5ζ73ζ53ζ76+ζ53ζ7+ζ52ζ76+ζ52ζ7    orthogonal faithful
ρ194000-1+√5-1-√52ζ75+2ζ722ζ76+2ζ72ζ74+2ζ7300000ζ53ζ74+ζ53ζ73+ζ52ζ74+ζ52ζ73ζ54ζ76+ζ54ζ7+ζ5ζ76+ζ5ζ7ζ54ζ75+ζ54ζ72+ζ5ζ75+ζ5ζ72ζ53ζ76+ζ53ζ7+ζ52ζ76+ζ52ζ7ζ53ζ75+ζ53ζ72+ζ52ζ75+ζ52ζ72ζ54ζ74+ζ54ζ73+ζ5ζ74+ζ5ζ73    orthogonal faithful
ρ204000-1-√5-1+√52ζ76+2ζ72ζ74+2ζ732ζ75+2ζ7200000ζ54ζ75+ζ54ζ72+ζ5ζ75+ζ5ζ72ζ53ζ74+ζ53ζ73+ζ52ζ74+ζ52ζ73ζ53ζ76+ζ53ζ7+ζ52ζ76+ζ52ζ7ζ54ζ74+ζ54ζ73+ζ5ζ74+ζ5ζ73ζ54ζ76+ζ54ζ7+ζ5ζ76+ζ5ζ7ζ53ζ75+ζ53ζ72+ζ52ζ75+ζ52ζ72    orthogonal faithful

Smallest permutation representation of D5×D7
►On 35 points
Generators in S35
(1 34 27 20 13)(2 35 28 21 14)(3 29 22 15 8)(4 30 23 16 9)(5 31 24 17 10)(6 32 25 18 11)(7 33 26 19 12)
(1 13)(2 14)(3 8)(4 9)(5 10)(6 11)(7 12)(15 29)(16 30)(17 31)(18 32)(19 33)(20 34)(21 35)
(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)
(1 7)(2 6)(3 5)(8 10)(11 14)(12 13)(15 17)(18 21)(19 20)(22 24)(25 28)(26 27)(29 31)(32 35)(33 34)
 
G:=sub<Sym(35)| (1,34,27,20,13)(2,35,28,21,14)(3,29,22,15,8)(4,30,23,16,9)(5,31,24,17,10)(6,32,25,18,11)(7,33,26,19,12), (1,13)(2,14)(3,8)(4,9)(5,10)(6,11)(7,12)(15,29)(16,30)(17,31)(18,32)(19,33)(20,34)(21,35), (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), (1,7)(2,6)(3,5)(8,10)(11,14)(12,13)(15,17)(18,21)(19,20)(22,24)(25,28)(26,27)(29,31)(32,35)(33,34)>;
 
G:=Group( (1,34,27,20,13)(2,35,28,21,14)(3,29,22,15,8)(4,30,23,16,9)(5,31,24,17,10)(6,32,25,18,11)(7,33,26,19,12), (1,13)(2,14)(3,8)(4,9)(5,10)(6,11)(7,12)(15,29)(16,30)(17,31)(18,32)(19,33)(20,34)(21,35), (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), (1,7)(2,6)(3,5)(8,10)(11,14)(12,13)(15,17)(18,21)(19,20)(22,24)(25,28)(26,27)(29,31)(32,35)(33,34) );
 
G=PermutationGroup([[(1,34,27,20,13),(2,35,28,21,14),(3,29,22,15,8),(4,30,23,16,9),(5,31,24,17,10),(6,32,25,18,11),(7,33,26,19,12)], [(1,13),(2,14),(3,8),(4,9),(5,10),(6,11),(7,12),(15,29),(16,30),(17,31),(18,32),(19,33),(20,34),(21,35)], [(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)], [(1,7),(2,6),(3,5),(8,10),(11,14),(12,13),(15,17),(18,21),(19,20),(22,24),(25,28),(26,27),(29,31),(32,35),(33,34)]])
 

D5×D7 is a maximal subgroup of   D15⋊D7
D5×D7 is a maximal quotient of   D70.C2  C35⋊D4  C5⋊D28  C7⋊D20  C35⋊Q8  D15⋊D7

Matrix representation of D5×D7 ►in GL4(𝔽71) generated by

1000
0100
00617
003518
,
1000
0100
00700
00671
,
70100
551500
0010
0001
,
70000
55100
0010
0001
G:=sub<GL(4,GF(71))| [1,0,0,0,0,1,0,0,0,0,61,35,0,0,7,18],[1,0,0,0,0,1,0,0,0,0,70,67,0,0,0,1],[70,55,0,0,1,15,0,0,0,0,1,0,0,0,0,1],[70,55,0,0,0,1,0,0,0,0,1,0,0,0,0,1] >;
 

D5×D7 in GAP, Magma, Sage, TeX

D_5\times D_7
 
% in TeX
 
G:=Group("D5xD7");
 
// GroupNames label
 
G:=SmallGroup(140,7);
 
// by ID
 
G=gap.SmallGroup(140,7);
 
# by ID
 
G:=PCGroup([4,-2,-2,-5,-7,102,1923]);
 
// Polycyclic
 
G:=Group<a,b,c,d|a^5=b^2=c^7=d^2=1,b*a*b=a^-1,a*c=c*a,a*d=d*a,b*c=c*b,b*d=d*b,d*c*d=c^-1>;
 
// generators/relations
 

Export

Subgroup lattice of D5×D7 in TeX
Character table of D5×D7 in TeX

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