Finite Group Databasebeta

Dic7119 #43249759

order28476
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic7119
unambiguous semidirect productC7⋊Dic1017
unambiguous semidirect productC9⋊Dic791

Splittings

derived, HallC7×C9×C113 ⋊ C4
HallC9×C113 ⋊ Dic7
HallC7×C113 ⋊ Dic9
SylowC113 ⋊ Dic63
HallC7×C9 ⋊ Dic113
SylowC9 ⋊ Dic791
SylowC7 ⋊ Dic1017

Subgroups

subgroupG/H
center, hypercenterC2D7119
commutator, hypocenterC7×C9×C113C4
FrattiniC2×C3D2373
Fitting, cosocleC2×C7×C9×C113C2
socle, prime radicalC2×C3×C7×C113D3
LCSG ▷ C7×C9×C113
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 133
transitive degreeμt(G) = 28476

A minimal faithful permutation representation — 2 generators on 133 points:

(1,2)(3,4)(5,6,7,8,9,10,11,12,13)(14,15,16,17,18,19,20)(21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,20)(16,19)(17,18)(22,133)(23,132)(24,131)(25,130)(26,129)(27,128)(28,127)(29,126)(30,125)(31,124)(32,123)(33,122)(34,121)(35,120)(36,119)(37,118)(38,117)(39,116)(40,115)(41,114)(42,113)(43,112)(44,111)(45,110)(46,109)(47,108)(48,107)(49,106)(50,105)(51,104)(52,103)(53,102)(54,101)(55,100)(56,99)(57,98)(58,97)(59,96)(60,95)(61,94)(62,93)(63,92)(64,91)(65,90)(66,89)(67,88)(68,87)(69,86)(70,85)(71,84)(72,83)(73,82)(74,81)(75,80)(76,79)(77,78)

Polycyclic presentation:

2,3,7,113,2,3|a^2=e,b^3=f^2,b^a=b^2f,c^a=c^6,d^a=d^112,f^a=f^2

Conjugacy classes & character table

7122 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic14238
maximal normal subgroup ofDic14238

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28476, 10);