Finite Group Databasebeta

D4473 #22582120

order8946
automorphismAut(G) order 11271960
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD4473
unambiguous semidirect productC7⋊D639
unambiguous semidirect productC9⋊D497
unambiguous semidirect productC71⋊D63

Splittings

Fitting, derived, HallC7×C9×C71 ⋊ C2
HallC9×C71 ⋊ D7
HallC7×C71 ⋊ D9
SylowC71 ⋊ D63
HallC7×C9 ⋊ D71
SylowC9 ⋊ D497
SylowC7 ⋊ D639

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC7×C9×C71C2
FrattiniC3D1491
socleC3×C7×C71D3
LCSG ▷ C7×C9×C71
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3,7,71,3|b^3=e^2,b^a=b^2e,c^a=c^6,d^a=d^70,e^a=e^2

Conjugacy classes & character table

2238 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD63×D71, D7×D639, D9×D497, …
maximal normal subgroup ofD63×D71, D7×D639, D9×D497, …
maximal quotient ofDic4473, C2×D4473, D13419, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8946, 10);