Finite Group Databasebeta

D2147 #16864305

order4294
automorphismAut(G) order 4328352
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD2147
unambiguous semidirect productC19⋊D113
unambiguous semidirect productC113⋊D19

Splittings

Fitting, socle, derived, HallC19×C113 ⋊ C2
SylowC113 ⋊ D19
SylowC19 ⋊ D113

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC19×C113C2
LCSG ▷ C19×C113
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 132
transitive degreeμt(G) = 2147

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

Polycyclic presentation:

2,19,113|b^a=b^18,c^a=c^112

Conjugacy classes & character table

1075 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC3×D2147, D6441, (C19⋊C3)⋊D113, …
maximal normal subgroup ofC3×D2147, (C19⋊C3)⋊D113, C5×D2147, …
maximal quotient ofC3×D2147, D6441, C5×D2147, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4294, 3);