Finite Group Databasebeta

#21439922

order7648
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

FittingC4⋊C4×C239 ⋊ C2
SylowC239 ⋊ C4×D4

Subgroups

subgroupG/H
center, FrattiniC22C22×D239
commutatorC2×C239C22×C4
FittingC4⋊C4×C239C2
socleC22×C239C23
hypercenterC4⋊C4D239
hypocenterC239C4×D4
LCSG ▷ C2×C239 ▷ C239
UCSC1 ◁ C22 ◁ C4⋊C4

94 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

1210 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#29504852, #29504854, #29504857, …
maximal normal subgroup of#29504852, #29504854, #29504857, …
maximal quotient of#29504619, C4⋊C4×Dic239, #29504643, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7648, 108);