Finite Group Databasebeta

D9177 #32913465

order18354
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD9177
unambiguous semidirect productC3⋊D3059
unambiguous semidirect productC7⋊D1311
unambiguous semidirect productC19⋊D483
unambiguous semidirect productC23⋊D399

Splittings

Fitting, socle, derived, HallC3×C7×C19×C23 ⋊ C2
HallC7×C19×C23 ⋊ D3
HallC3×C19×C23 ⋊ D7
HallC3×C7×C23 ⋊ D19
HallC19×C23 ⋊ D21
HallC3×C7×C19 ⋊ D23
HallC7×C23 ⋊ D57
HallC7×C19 ⋊ D69
HallC3×C23 ⋊ D133
HallC3×C19 ⋊ D161
SylowC23 ⋊ D399
HallC3×C7 ⋊ D437
SylowC19 ⋊ D483
SylowC7 ⋊ D1311
SylowC3 ⋊ D3059

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C19×C23C2
LCSG ▷ C3×C7×C19×C23
UCSC1

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 52
transitive degreeμt(G) = 9177

A minimal faithful permutation representation — 2 generators on 52 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);(2,3)(5,10)(6,9)(7,8)(12,29)(13,28)(14,27)(15,26)(16,25)(17,24)(18,23)(19,22)(20,21)(31,52)(32,51)(33,50)(34,49)(35,48)(36,47)(37,46)(38,45)(39,44)(40,43)(41,42)

Polycyclic presentation:

2,3,7,19,23|b^a=b^2,c^a=c^6,d^a=d^18,e^a=e^22

Conjugacy classes & character table

4590 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD23×D399, D19×D483, D21×D437, …
maximal normal subgroup ofD23×D399, D19×D483, D21×D437, …
maximal quotient ofDic9177, C2×D9177, D27531

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18354, 20);