Finite Group Databasebeta

Dic7239 #44394153

order28956
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic7239
unambiguous semidirect productC3⋊Dic2413
unambiguous semidirect productC19⋊Dic381
unambiguous semidirect productC127⋊Dic57

Splittings

derived, HallC3×C19×C127 ⋊ C4
HallC19×C127 ⋊ Dic3
HallC3×C127 ⋊ Dic19
SylowC127 ⋊ Dic57
HallC3×C19 ⋊ Dic127
SylowC19 ⋊ Dic381
SylowC3 ⋊ Dic2413

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D7239
commutator, hypocenterC3×C19×C127C4
Fitting, socle, prime radical, cosocleC2×C3×C19×C127C2
LCSG ▷ C3×C19×C127
UCSC1 ◁ C2

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 153
transitive degreeμt(G) = 28956

A minimal faithful permutation representation — 2 generators on 153 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)(27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153);(1,3,2,4)(6,7)(9,26)(10,25)(11,24)(12,23)(13,22)(14,21)(15,20)(16,19)(17,18)(28,153)(29,152)(30,151)(31,150)(32,149)(33,148)(34,147)(35,146)(36,145)(37,144)(38,143)(39,142)(40,141)(41,140)(42,139)(43,138)(44,137)(45,136)(46,135)(47,134)(48,133)(49,132)(50,131)(51,130)(52,129)(53,128)(54,127)(55,126)(56,125)(57,124)(58,123)(59,122)(60,121)(61,120)(62,119)(63,118)(64,117)(65,116)(66,115)(67,114)(68,113)(69,112)(70,111)(71,110)(72,109)(73,108)(74,107)(75,106)(76,105)(77,104)(78,103)(79,102)(80,101)(81,100)(82,99)(83,98)(84,97)(85,96)(86,95)(87,94)(88,93)(89,92)(90,91)

Polycyclic presentation:

2,3,19,127,2|a^2=e,b^a=b^2,c^a=c^18,d^a=d^126

Conjugacy classes & character table

7242 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic14478
maximal normal subgroup ofDic14478

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28956, 12);