Finite Group Databasebeta

#21439880

order7648
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC4⋊C4×C239 ⋊ C2
SylowC239 ⋊ #102

Subgroups

subgroupG/H
centerC22C22⋊D239
commutatorC4×C239C2×C4
FrattiniC2×C4C2×D239
FittingC4⋊C4×C239C2
socleC22×C239D4
hypercenterC4⋊C4D239
hypocenterC239#102
LCSG ▷ C4×C239 ▷ C2×C239 ▷ C239
UCSC1 ◁ C22 ◁ C2×C4 ◁ C4⋊C4

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

1204 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#102×D239, C2×#21439880, #29504766, …
maximal normal subgroup of#102×D239, C2×#21439880, #29504766, …
maximal quotient of#29504499, #29504505, #29504515, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7648, 66);