Finite Group Databasebeta

D4431 #22579717

order8862
automorphismAut(G) order 11166120
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD4431
unambiguous semidirect productC3⋊D1477
unambiguous semidirect productC7⋊D633
unambiguous semidirect productC211⋊D21

Splittings

Fitting, socle, derived, HallC3×C7×C211 ⋊ C2
HallC7×C211 ⋊ D3
HallC3×C211 ⋊ D7
SylowC211 ⋊ D21
HallC3×C7 ⋊ D211
SylowC7 ⋊ D633
SylowC3 ⋊ D1477

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC3×C7×C211C2
LCSG ▷ C3×C7×C211
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3,7,211|b^a=b^2,c^a=c^6,d^a=d^210

Conjugacy classes & character table

2217 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD21×D211, D7×D633, D3×D1477, …
maximal normal subgroup ofD21×D211, D7×D633, D3×D1477, …
maximal quotient ofDic4431, C2×D4431, D13293, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8862, 14);