Finite Group Databasebeta
Cayley diagram

#1157

order112
isoclinismisoclinic class of Dic14
automorphismAut(G) = C2×D4×AGL(1,𝔽7) (order 672) · Inn(G) = C2×D7 · Out(G) = C23×C3
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC2×C4×C7 ⋊ C2
SylowC7 ⋊ #41

Subgroups

subgroupG/H
centerC4C2×D7
commutator, socle, cosocleC2×C7C23
FrattiniC2C22×D7
FittingC2×C4×C7C2
hypercenterC2×C4D7
hypocenterC7#41
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C4 ◁ C2×C4

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 3 generators on 15 points:

(1,2,4,6,7,5,3)(9,13)(12,15);(8,10,11,14)(9,12,13,15);(2,3)(4,5)(6,7)(8,9)(10,12)(11,13)(14,15)

Polycyclic presentation:

2^4,7|b^2=d,c^a=cd,e^a=e^6

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#6379, #6399, #6464, …
maximal normal subgroup of#6379, #6399, #6464, …
maximal quotient ofC4×Dic14, #6433, #6435, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(112, 30);