Finite Group Databasebeta

C139⋊C64 #22580672

order8896
automorphism?
homologyAbelianization (H1) = C64 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC139⋊C64

Splittings

derived, SylowC139 ⋊ C64

Subgroups

subgroupG/H
center, Frattini, hypercenterC32D139
commutator, hypocenterC139C64
FittingC32×C139C2
socleC2×C139C32
LCSG ▷ C139
UCSC1 ◁ C32

14 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

2272 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC64×D139, C2×C139⋊C64, #31804614, …
maximal normal subgroup ofC64×D139, C2×C139⋊C64, #31804614, …
maximal quotient ofC139⋊C128, C2×C139⋊C64

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8896, 268);