Finite Group Databasebeta

#21439985

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

Aliases

No aliases for this group.

Splittings

Fitting#41×C239 ⋊ C2
SylowC239 ⋊ AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC2C2×C22⋊D239
commutatorC4×C239C23
FrattiniC4C22×D239
Fitting#41×C239C2
socleC2×C239C2×D4
hypercenter#41D239
hypocenterC239AGL(1,ℤ/8)
LCSG ▷ C4×C239 ▷ C2×C239 ▷ C239
UCSC1 ◁ C2 ◁ C2×C4 ◁ #41

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

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

Conjugacy classes & character table

1201 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#29504940, #29504941, #29504945, …
maximal normal subgroup of#29504940, #29504941, #29504945, …
maximal quotient of#29504773, #29504776, #29504815, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7648, 171);