Finite Group Databasebeta

#21461787

order7808
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

Fitting#103×C61 ⋊ C4
SylowC61 ⋊ #1866

Subgroups

subgroupG/H
centerC22D4×#6923
commutatorC2×C4×C61C22×C4
FrattiniC2×C4C22×#6923
Fitting#103×C61C4
socleC22×C61C4×D4
hypercenter#103#6923
hypocenterC61#1866
LCSG ▷ C2×C4×C61 ▷ C2×C61 ▷ C61
UCSC1 ◁ C22 ◁ C2×C4 ◁ #103

270 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 270 conjugacy classes of subgroups — too many to draw. Only its 70 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^7,61|a^2=f,b^2=f,d^2=g,e^2=g,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eg,h^a=h^11,d^b=dg,e^b=eg,h^b=h^11,d^c=dg,e^c=eg,h^c=h^60,h^f=h^60

Conjugacy classes & character table

248 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#21461787, D61⋊#1866, #30615528, …
maximal normal subgroup ofC2×#21461787, D61⋊#1866, #30615528, …
maximal quotient of#30599592, #30599595, #30599602, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7808, 20478);