Finite Group Databasebeta

D15453 #44525585

order30906
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD15453
unambiguous semidirect productC9⋊D1717
unambiguous semidirect productC17⋊D909
unambiguous semidirect productC101⋊D153

Splittings

Fitting, derived, HallC9×C17×C101 ⋊ C2
HallC17×C101 ⋊ D9
HallC9×C101 ⋊ D17
HallC9×C17 ⋊ D101
SylowC101 ⋊ D153
SylowC17 ⋊ D909
SylowC9 ⋊ D1717

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C17×C101C2
FrattiniC3D5151
socleC3×C17×C101D3
LCSG ▷ C9×C17×C101
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 127
transitive degreeμt(G) = 15453

A minimal faithful permutation representation — 2 generators on 127 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);(2,9)(3,8)(4,7)(5,6)(11,26)(12,25)(13,24)(14,23)(15,22)(16,21)(17,20)(18,19)(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:

2,3,17,101,3|b^3=e^2,b^a=b^2e,c^a=c^16,d^a=d^100,e^a=e^2

Conjugacy classes & character table

7728 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×D15453
maximal normal subgroup ofC2×D15453
maximal quotient ofDic15453, C2×D15453

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30906, 8);