Finite Group Databasebeta

C4⋊Dic127 #14523228

order2032
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊Dic127

Splittings

SylowC127 ⋊ C4⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D127
commutatorC2×C127C2×C4
FittingC2×C4×C127C2
socle, prime radical, cosocleC22×C127C22
hypercenterC2×C4D127
hypocenterC127C4⋊C4
LCSG ▷ C2×C127 ▷ C127
UCSC1 ◁ C22 ◁ C2×C4

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2032

Polycyclic presentation:

2^4,127|a^2=d,b^2=c,b^a=bc,e^a=e^126

Conjugacy classes & character table

514 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#16861130, #16861131, #16861133, …
maximal normal subgroup of#16861130, #16861131, #16861133, …
maximal quotient ofC127⋊#95, C4⋊(C127⋊C8), #16861141, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2032, 20);