Finite Group Databasebeta

D4⋊#11724786 #20295873

order6976
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD4⋊#11724786

Splittings

SylowC109 ⋊ D4⋊C8

Subgroups

subgroupG/H
centerC22C22⋊#89137
commutatorC4×C109C2×C8
FrattiniC2×C4C2×#89137
FittingC2×D4×C109C4
socleC22×C109C22⋊C4
hypercenterC2×D4#89137
hypocenterC109D4⋊C8
LCSG ▷ C4×C109 ▷ C2×C109 ▷ C109
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D4

82 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,109|a^2=d,c^2=e,d^2=f,b^a=bc,c^a=ce,g^a=g^33,c^b=ce,g^d=g^108

Conjugacy classes & character table

298 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×D4⋊#11724786, D109⋊(D4⋊C8), #28378323, …
maximal normal subgroup ofC2×D4⋊#11724786, D109⋊(D4⋊C8), #28378323, …
maximal quotient of#28377848, #28377850, #28377868, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6976, 1396);