Finite Group Databasebeta

D4⋊(C127⋊C8) #22549604

order8128
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD4⋊(C127⋊C8)

Splittings

SylowC127 ⋊ D4⋊C8

Subgroups

subgroupG/H
centerC2×C4C22⋊D127
commutatorC4×C127C2×C8
FrattiniC42C2×D127
FittingC4×D4×C127C2
socleC22×C127C22⋊C4
hypercenterC4×D4D127
hypocenterC127D4⋊C8
LCSG ▷ C4×C127 ▷ C2×C127 ▷ C127
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×D4

82 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,127|a^2=d,c^2=e,d^2=f,b^a=bc,c^a=ce,g^a=g^126,c^b=ce

Conjugacy classes & character table

1288 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD4⋊C8×D127, C2×D4⋊(C127⋊C8), #30637109, …
maximal normal subgroup ofD4⋊C8×D127, C2×D4⋊(C127⋊C8), #30637109, …
maximal quotient of#30636551, #30636553, #30636571, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8128, 277);