Finite Group Databasebeta

Q8⋊(C139⋊C8) #22580684

order8896
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productQ8⋊(C139⋊C8)

Splittings

SylowC139 ⋊ Q8⋊C8

Subgroups

subgroupG/H
centerC2×C4C22⋊D139
commutatorC4×C139C2×C8
FrattiniC42C2×D139
FittingC4×Q8×C139C2
socleC22×C139C22⋊C4
hypercenterC4×Q8D139
hypocenterC139Q8⋊C8
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×Q8

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

1408 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofQ8⋊C8×D139, C2×Q8⋊(C139⋊C8), #31804785, …
maximal normal subgroup ofQ8⋊C8×D139, C2×Q8⋊(C139⋊C8), #31804785, …
maximal quotient of#31804227, #31804230, #31804245, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8896, 280);