Finite Group Databasebeta

#21439991

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

Aliases

No aliases for this group.

Splittings

FittingC2×Q8×C239 ⋊ C2
SylowC239 ⋊ #137

Subgroups

subgroupG/H
centerC2C2×C22⋊D239
commutatorC4×C239C23
FrattiniC4C22×D239
FittingC2×Q8×C239C2
socleC2×C239C2×D4
hypercenterC2×Q8D239
hypocenterC239#137
LCSG ▷ C4×C239 ▷ C2×C239 ▷ C239
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×Q8

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

Conjugacy classes & character table

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

Relationships

maximal subgroup of#29504948, #29504949, #29504953, …
maximal normal subgroup of#29504948, #29504949, #29504953, …
maximal quotient of#29504771, #29504781, #29504812, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7648, 177);