Finite Group Databasebeta

C22⋊(C139⋊C16) #22580733

order8896
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊(C139⋊C16)

Splittings

SylowC139 ⋊ C22⋊C16

Subgroups

subgroupG/H
center, FrattiniC2×C8C2×D139
commutatorC2×C139C2×C16
FittingC22×C8×C139C2
socleC22×C139C2×C8
hypercenterC22×C8D139
hypocenterC139C22⋊C16
LCSG ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C8 ◁ C22×C8

66 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,139|a^2=d,d^2=e,e^2=f,b^a=bc,g^a=g^138

Conjugacy classes & character table

2248 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#31804327, #31804328, #31804329, …
maximal normal subgroup of#31804327, #31804328, #31804329, …
maximal quotient of#31804328, #31804344, D4⋊(C139⋊C16), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8896, 329);