Finite Group Databasebeta

#21439992

order7648
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingQ16×C239 ⋊ C2
SylowC239 ⋊ #137

Subgroups

subgroupG/H
centerC2D4×D239
commutatorC4×C239C23
FrattiniC4C22×D239
FittingQ16×C239C2
socleC2×C239C2×D4
hypercenterQ16D239
hypocenterC239#137
LCSG ▷ C4×C239 ▷ C2×C239 ▷ C239
UCSC1 ◁ C2 ◁ C4 ◁ Q16

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^5,239|b^2=e,d^2=e,b^a=bd,c^a=ce,d^a=de,f^a=f^238,d^b=de,f^c=f^238

Conjugacy classes & character table

844 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#137×D239, C2×#21439992, #29505569, …
maximal normal subgroup of#137×D239, C2×#21439992, #29505569, …
maximal quotient of#29504772, #29504779, #29504813, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7648, 178);