Finite Group Databasebeta

Dic6705 #41001222

order26820
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic6705
unambiguous semidirect productC9⋊Dic745

Splittings

derived, HallC5×C9×C149 ⋊ C4
HallC9×C149 ⋊ Dic5
HallC5×C149 ⋊ Dic9
SylowC149 ⋊ Dic45
HallC5×C9 ⋊ Dic149
SylowC9 ⋊ Dic745
SylowC5 ⋊ Dic1341

Subgroups

subgroupG/H
center, hypercenterC2D6705
commutator, hypocenterC5×C9×C149C4
FrattiniC2×C3D2235
Fitting, cosocleC2×C5×C9×C149C2
socle, prime radicalC2×C3×C5×C149D3
LCSG ▷ C5×C9×C149
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 167
transitive degreeμt(G) = 26820

A minimal faithful permutation representation — 2 generators on 167 points:

(1,2)(3,4)(5,6,7,8,9,10,11,12,13)(14,15,16,17,18)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,18)(16,17)(20,167)(21,166)(22,165)(23,164)(24,163)(25,162)(26,161)(27,160)(28,159)(29,158)(30,157)(31,156)(32,155)(33,154)(34,153)(35,152)(36,151)(37,150)(38,149)(39,148)(40,147)(41,146)(42,145)(43,144)(44,143)(45,142)(46,141)(47,140)(48,139)(49,138)(50,137)(51,136)(52,135)(53,134)(54,133)(55,132)(56,131)(57,130)(58,129)(59,128)(60,127)(61,126)(62,125)(63,124)(64,123)(65,122)(66,121)(67,120)(68,119)(69,118)(70,117)(71,116)(72,115)(73,114)(74,113)(75,112)(76,111)(77,110)(78,109)(79,108)(80,107)(81,106)(82,105)(83,104)(84,103)(85,102)(86,101)(87,100)(88,99)(89,98)(90,97)(91,96)(92,95)(93,94)

Polycyclic presentation:

2,3,5,149,2,3|a^2=e,b^3=f^2,b^a=b^2f,c^a=c^4,d^a=d^148,f^a=f^2

Conjugacy classes & character table

6708 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic13410
maximal normal subgroup ofDic13410

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26820, 8);